Influence — Cliff Notes Summary

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Direct Answer

Influence: The Psychology of Persuasion by Robert Cialdini (1984, expanded 2021) is the closest thing RevOps has to a periodic table — seven universal shortcuts (reciprocity, commitment & consistency, social proof, authority, liking, scarcity, unity) that explain why prospects say yes when logic says they shouldn't.

Pick it up if you run a sales team, a CRO program, or a partner motion and you need a vocabulary for the moves you're already half-making. The 2021 edition adds Unity as the seventh principle and reframes the original six against four decades of follow-up research, which makes it the version to buy in 2027.

1. Why Influence Still Matters in 2027

The book in one sentence

Cialdini spent three years undercover inside used-car lots, fundraising offices, and Fuller Brush sales schools, then went back to Arizona State and reverse-engineered the seven mental shortcuts ("weapons of automatic compliance") that explain almost every buying decision. Influence is the field report.

Why 5M+ copies still sell

Every neuroscience, behavioral-economics, and CRO book published since 1984 is essentially a footnote on Cialdini. Daniel Kahneman, Nir Eyal, Rory Sutherland, and Robert Sutton all cite him as the source text. The book reads like a psych-101 lecture written by your most cynical college roommate — story-driven, mercifully short on jargon, and almost entirely framework-and-example.

Why the 2021 expansion is the version to buy

The 1984 original is still in print and still works, but the New and Expanded edition adds the seventh principle (Unity), refreshes the case studies (Tupperware parties are out; Airbnb host onboarding, Tesla wait-lists, and WhatsApp family groups are in), and rewrites the ethics chapter to address weaponization of these tactics by dark-pattern UX, political operatives, and crypto pumpers.

The 2021 hardcover is about 170 pages longer than the original — worth it.

2. The Seven Weapons of Influence

flowchart TD A[Compliance Request] --> B{Which shortcut fires?} B --> C[Reciprocity: I owe them] B --> D[Commitment & Consistency: I already said yes] B --> E[Social Proof: Everyone else is doing it] B --> F[Authority: An expert said so] B --> G[Liking: They are like me] B --> H[Scarcity: It is running out] B --> I[Unity: They are one of us] C --> J[Automatic Yes] D --> J E --> J F --> J G --> J H --> J I --> J

Reciprocity — the obligation to give back

The Hare Krishna flower in the airport. The Disabled American Veterans unsolicited address-label mailer that doubled response rates. A free drink at Costco that triples wine purchases.

Cialdini's argument: humans carry a deep, cross-cultural debt instinct — if you give first, the other person feels physiological discomfort until they reciprocate. RevOps lift: free trials, value-first outbound ("I built you a Looker board, no ask"), and the "door-in-the-face" sequence (big ask, then a smaller ask that looks like a concession).

Commitment & Consistency — escalation of small yeses

Once a buyer commits to a small, public, written, voluntary position, they will contort reality to stay consistent with it. Cialdini's classic example: POW interrogators in Korea got American prisoners to write tiny anti-American essays, then escalated. The modern SaaS version: MEDDPICC champion letters, mutual action plans, and discovery questions that get prospects to articulate the pain *in their own words* before you propose anything.

When uncertain, humans copy. Cialdini cites the Werther effect (suicide contagion after media coverage), canned laughter on sitcoms, and fake bartender tip jars. Modern RevOps applications: G2 badges, logo walls (especially "3 of your competitors use us"), Slack-community member counts, and "312 ops leaders viewed this page this week" widgets on pricing pages.

Authority — the lab-coat effect

The Milgram experiments (people delivered fake lethal shocks because a guy in a white coat told them to) are the most-cited example. Authority works through titles, clothing, and trappings — not actual expertise. RevOps: named-analyst quotes (Gartner, Forrester Wave), CRO/CFO-bylined content, conference keynotes, and podcast guest spots.

The dark side: a fake LinkedIn headline like "AI thought leader" works on cold prospects almost as well as a real one.

Liking — we say yes to people we like

We like people who are similar to us, who compliment us, who cooperate toward shared goals, and who are physically attractive. Cialdini's classic example: Tupperware parties — the host's relationship with guests outperforms any product feature. Modern equivalent: community-led growth (Pavilion, RevGenius), founder-led sales ("founder → founder" outperforms "AE → VP"), and mirror-and-match in discovery calls.

Scarcity — loss aversion in disguise

We value what's rare, ending, or forbidden. Cialdini cites the Florida county that banned phosphate detergent (sales exploded) and the "only 3 seats left" flag on Booking.com. RevOps levers: deal-desk deadlines, end-of-quarter discounts, closed-beta wait-lists, and "prices rise Jan 1" renewal emails.

Warning: fake scarcity is the fastest way to torch trust with sophisticated B2B buyers — finance teams check.

Unity — shared identity (the 2021 addition)

Cialdini's seventh principle, added in the expanded edition. Unity is deeper than liking — it's "we are the same kind of person." Family bonds, alma maters, ethnicity, professional tribe ("fellow ops leader"), or shared opponent ("we both hate Salesforce admin overhead").

Modern application: community-led GTM, vertical-specific positioning ("built by SaaS founders for SaaS founders"), and customer-advisory-board dynamics that turn buyers into co-creators.

3. The Three Conditions That Trigger Compliance

Cognitive load

Cialdini's core thesis: shortcuts fire hardest when we're tired, distracted, or rushed. The "because" study showed people let a researcher cut a copier line 94% of the time when she gave any reason, even nonsensical ones ("because I have to make copies"). Translation for RevOps: your end-of-quarter pitch lands on an exhausted buyer — pair urgency with a real "because."

When buyers don't know what's normal, they copy. First-mover deals are 3-5x harder than the second deal in a new segment, which is why lighthouse-logo strategies and named reference customers outperform feature lists in early-stage categories.

Self-similarity

People comply more readily with influencers who look, sound, talk, and signal like them. The 2027 implication: AE-buyer persona match (junior AE → junior champion, CRO → CRO) measurably lifts close rates — operators like Gong's Devin Reed and 30MPC's Nick Cegelski have published data showing the effect.

4. Where the Book Holds Up vs. Where It's Dated

Still bulletproof in 2027

All seven principles still test cleanly in field experiments — they are statistical regularities, not trends.
The ethics framing ("influence is information transfer; manipulation is exploitation") is more relevant now than in 1984 thanks to dark-pattern lawsuits and the FTC click-to-cancel rule.
The Unity chapter aged into the community-led-growth era better than Cialdini probably expected.

What's dated

Cult examples (Jim Jones, Hare Krishna) feel like ancient history; Cialdini's later books use better cases.
The book predates social media — the TikTok algorithm, influencer marketing, and parasocial relationships aren't covered (read Nir Eyal's Hooked alongside).
Decision-by-committee B2B isn't his focus; pair with The Challenger Sale (Dixon & Adamson) or The Qualified Sales Leader (John McMahon) for enterprise-cycle nuance.

What Cialdini himself updated

In his 2016 followup Pre-Suasion, Cialdini argues the *moment before* the ask matters more than the ask itself — anchoring, priming, and frame-setting. Several CROs (Roger Dooley, Andrew Davies) now recommend reading Pre-Suasion first, then Influence as the tactical reference.

5. How to Apply Influence on Monday Morning

flowchart LR A[Monday 9am] --> B[Audit 1 outbound sequence] B --> C[Add reciprocity opener] C --> D[Insert 3 social-proof logos] D --> E[Add scarcity close] E --> F[Run A/B test 2 weeks] F --> G[Pick winner, scale]

Audit your outbound sequence

Open your top-performing Outreach / Salesloft / Apollo cadence. For each touch, label which Cialdini principle (if any) it triggers. Most cadences over-index on authority and under-index on reciprocity and unity — the easiest wins are usually a value-first opener (reciprocity) and a peer-language reframe (unity).

Rebuild your pricing page

The CRO playbook from CXL and Jeremy Said maps directly onto pricing pages: add logo walls (social proof), named-analyst quotes (authority), annual-discount countdown (scarcity), and "trusted by ops leaders at..." copy (unity). Expect 8-20% lift on free-trial signups within 4 weeks if your baseline is mediocre.

Train AEs on the "because" reframe

In every discovery call, the AE must articulate a real reason ("because your renewal cycle hits Q3 and you'll need a 90-day implementation runway"). Cialdini's research is unambiguous: any reason beats no reason, and a real reason crushes both.

Build a customer advisory board

Unity is the most under-used principle in B2B. A 12-person CAB that meets quarterly converts skeptical prospects faster than any feature ship — because they're hearing it from "someone like me." Asana, Notion, and Linear all run public CABs.

Use scarcity honestly

Real deadlines only. B2B buyers have memories and finance teams. Fake "this offer expires Friday" pricing emails are the single biggest cause of deal-cycle elongation in 2027 enterprise data (Gong, Clari both publish on this).

6. Who Should Read This Book

Read it if you are

A first-time AE, SDR, or BDR — this is the closest thing to a sales bible that doesn't pretend to be one.
A CRO, RevOps lead, or founder who has never put a Cialdini vocabulary on the moves your team is already running.
A marketer or CRO specialist building landing pages, pricing pages, or email sequences.

Skip or skim if you are

An enterprise-sales veteran who has already read Cialdini twice — pick up Pre-Suasion instead.
Looking for a deal-cycle playbook — read MEDDPICC or The Qualified Sales Leader first; Cialdini is the *why*, not the *how*.
Allergic to anecdotal social-psych writing — the book is story-heavy. The Cialdini Institute's online course is a more structured alternative.

Reading order

Pre-Suasion (2016) — the meta-framework.
Influence: New and Expanded (2021) — the seven principles.
The Small Big (Cialdini, Martin, Goldstein, 2014) — 52 short field-tested applications.

FAQ

Is Influence still relevant in 2027?

Yes. The principles are statistical regularities about human cognition — they don't expire. What's dated is some of the examples (Hare Krishna airport flowers, Tupperware parties), not the science. Cialdini and a network of academic replicators have re-tested all seven principles in 2010s and 2020s field studies with consistent results.

Where does this conflict with The Challenger Sale?

The Challenger Sale argues you win deals by teaching the buyer something new and taking control of the conversation — which looks like Authority + Commitment/Consistency in Cialdini's framework. The "conflict" is mostly emphasis: Challenger says disrupt the buyer's worldview, Cialdini says honor the buyer's existing instincts.

Strong AEs use both — disrupt with Authority, then close with Reciprocity and Scarcity.

Should I read Influence or Pre-Suasion first?

Cialdini himself recommends Pre-Suasion first, because it explains *when* a buyer is open to influence. In practice, most RevOps leaders read Influence first because the seven principles are easier to apply on Monday morning. Either order works; the books are complementary, not redundant.

Is using these tactics manipulative?

Cialdini's own ethical line: influence is sharing real information about real value through known cognitive channels; manipulation is fabricating or hiding the truth to exploit those same channels. Fake scarcity, invented testimonials, and dark-pattern UX are manipulation. Real deadlines, honest social proof, and verifiable authority are influence. Sophisticated B2B buyers — especially CFOs and procurement — punish manipulation faster than they used to.

What's the single biggest takeaway for a RevOps leader?

Most teams over-rely on Authority and Scarcity and under-use Reciprocity and Unity. Reciprocity (give value first) and Unity (peer-to-peer language and community) are harder to fake, which is why they compound. The teams that win in 2027 community-led GTM — Pavilion, RevGenius, Wynter, Exit Five — are running Reciprocity and Unity at industrial scale.

Bottom Line

Influence is the foundational text for anyone who sells, markets, or designs buying experiences — and the 2021 New and Expanded edition is the one to buy. Pick it up when you're building a sales playbook, redesigning a pricing page, or training a new AE class; skip it if you're hunting for a deal-cycle execution manual (read McMahon or Dixon instead).

The seven weapons are the vocabulary every modern CRO uses without knowing it — once you have the words, the moves get sharper.

Sources

Keep reading

### Direct Answer

**Influence: The Psychology of Persuasion** by **Robert Cialdini** (1984, expanded 2021) is the closest thing RevOps has to a periodic table — **seven universal shortcuts** (**reciprocity, commitment & consistency, social proof, authority, liking, scarcity, unity**) that explain why prospects say yes when logic says they shouldn't. Pick it up if you run a sales team, a CRO program, or a partner motion and you need a vocabulary for the moves you're already half-making. The 2021 edition adds **Unity** as the seventh principle and reframes the original six against four decades of follow-up research, which makes it the version to buy in 2027.

## 1. Why Influence Still Matters in 2027

### The book in one sentence

Cialdini spent three years undercover inside used-car lots, fundraising offices, and Fuller Brush sales schools, then went back to **Arizona State** and reverse-engineered the seven mental shortcuts ("**weapons of automatic compliance**") that explain almost every buying decision. **Influence** is the field report.

### Why 5M+ copies still sell

Every neuroscience, behavioral-economics, and CRO book published since 1984 is essentially a footnote on Cialdini. **Daniel Kahneman**, **Nir Eyal**, **Rory Sutherland**, and **Robert Sutton** all cite him as the source text. The book reads like a **psych-101 lecture written by your most cynical college roommate** — story-driven, mercifully short on jargon, and almost entirely framework-and-example.

### Why the 2021 expansion is the version to buy

The 1984 original is still in print and still works, but the **New and Expanded** edition adds the seventh principle (**Unity**), refreshes the case studies (Tupperware parties are out; **Airbnb host onboarding**, **Tesla wait-lists**, and **WhatsApp family groups** are in), and rewrites the ethics chapter to address weaponization of these tactics by **dark-pattern UX**, political operatives, and crypto pumpers. The 2021 hardcover is about **170 pages longer** than the original — worth it.

## 2. The Seven Weapons of Influence

```mermaid
flowchart TD
    A[Compliance Request] --> B{Which shortcut fires?}
    B --> C[Reciprocity: I owe them]
    B --> D[Commitment & Consistency: I already said yes]
    B --> E[Social Proof: Everyone else is doing it]
    B --> F[Authority: An expert said so]
    B --> G[Liking: They are like me]
    B --> H[Scarcity: It is running out]
    B --> I[Unity: They are one of us]
    C --> J[Automatic Yes]
    D --> J
    E --> J
    F --> J
    G --> J
    H --> J
    I --> J
```

### Reciprocity — the obligation to give back

The **Hare Krishna flower** in the airport. The **Disabled American Veterans** unsolicited address-label mailer that doubled response rates. A free **drink at Costco** that triples wine purchases. Cialdini's argument: humans carry a **deep, cross-cultural debt instinct** — if you give first, the other person feels physiological discomfort until they reciprocate. RevOps lift: **free trials**, **value-first outbound** ("I built you a Looker board, no ask"), and the **"door-in-the-face"** sequence (big ask, then a smaller ask that looks like a concession).

### Commitment & Consistency — escalation of small yeses

Once a buyer commits to a **small, public, written, voluntary** position, they will contort reality to stay consistent with it. Cialdini's classic example: **POW interrogators in Korea** got American prisoners to write tiny anti-American essays, then escalated. The **modern SaaS version**: **MEDDPICC champion letters**, **mutual action plans**, and **discovery questions** that get prospects to articulate the pain *in their own words* before you propose anything.

### Social Proof — what the herd is doing

When uncertain, humans copy. Cialdini cites the **Werther effect** (suicide contagion after media coverage), **canned laughter** on sitcoms, and **fake bartender tip jars**. Modern RevOps applications: **G2 badges**, **logo walls** (especially "**3 of your competitors use us**"), **Slack-community member counts**, and **"312 ops leaders viewed this page this week"** widgets on pricing pages.

### Authority — the lab-coat effect

The **Milgram experiments** (people delivered fake lethal shocks because a guy in a white coat told them to) are the most-cited example. Authority works through **titles, clothing, and trappings** — not actual expertise. RevOps: **named-analyst quotes** (**Gartner**, **Forrester Wave**), **CRO/CFO-bylined content**, **conference keynotes**, and **podcast guest spots**. The dark side: a **fake LinkedIn headline** like "AI thought leader" works on cold prospects almost as well as a real one.

### Liking — we say yes to people we like

We like people who are **similar to us**, who **compliment us**, who **cooperate toward shared goals**, and who are **physically attractive**. Cialdini's classic example: **Tupperware parties** — the host's relationship with guests outperforms any product feature. Modern equivalent: **community-led growth** (**Pavilion**, **RevGenius**), **founder-led sales** ("founder → founder" outperforms "AE → VP"), and **mirror-and-match** in discovery calls.

### Scarcity — loss aversion in disguise

We value what's **rare, ending, or forbidden**. Cialdini cites the **Florida county that banned phosphate detergent** (sales exploded) and the **"only 3 seats left"** flag on Booking.com. RevOps levers: **deal-desk deadlines**, **end-of-quarter discounts**, **closed-beta wait-lists**, and **"prices rise Jan 1"** renewal emails. **Warning**: fake scarcity is the fastest way to torch trust with sophisticated B2B buyers — finance teams check.

### Unity — shared identity (the 2021 addition)

Cialdini's **seventh principle**, added in the expanded edition. **Unity is deeper than liking** — it's "we are the same kind of person." Family bonds, alma maters, ethnicity, professional tribe ("**fellow ops leader**"), or shared opponent ("**we both hate Salesforce admin overhead**"). Modern application: **community-led GTM**, **vertical-specific positioning** ("**built by SaaS founders for SaaS founders**"), and **customer-advisory-board** dynamics that turn buyers into co-creators.

## 3. The Three Conditions That Trigger Compliance

### Cognitive load

Cialdini's core thesis: shortcuts fire **hardest when we're tired, distracted, or rushed**. The **"because" study** showed people let a researcher cut a copier line **94% of the time** when she gave any reason, even nonsensical ones ("because I have to make copies"). Translation for RevOps: your **end-of-quarter** pitch lands on an exhausted buyer — pair urgency with a real "because."

### Social uncertainty

When buyers don't know what's normal, they copy. **First-mover deals are 3-5x harder** than the second deal in a new segment, which is why **lighthouse-logo** strategies and **named reference customers** outperform feature lists in early-stage categories.

### Self-similarity

People comply more readily with influencers who **look, sound, talk, and signal** like them. The 2027 implication: **AE-buyer persona match** (junior AE → junior champion, CRO → CRO) measurably lifts close rates — operators like **Gong's Devin Reed** and **30MPC's Nick Cegelski** have published data showing the effect.

## 4. Where the Book Holds Up vs. Where It's Dated

### Still bulletproof in 2027

- **All seven principles still test cleanly** in field experiments — they are statistical regularities, not trends.
- The **ethics framing** ("influence is information transfer; manipulation is exploitation") is more relevant now than in 1984 thanks to dark-pattern lawsuits and the **FTC click-to-cancel rule**.
- The **Unity** chapter aged into the **community-led-growth** era better than Cialdini probably expected.

### What's dated

- **Cult examples** (Jim Jones, Hare Krishna) feel like ancient history; **Cialdini's later books** use better cases.
- The book **predates social media** — the **TikTok algorithm**, **influencer marketing**, and **parasocial relationships** aren't covered (read **Nir Eyal's Hooked** alongside).
- **Decision-by-committee B2B** isn't his focus; pair with **The Challenger Sale** (Dixon & Adamson) or **The Qualified Sales Leader** (John McMahon) for enterprise-cycle nuance.

### What Cialdini himself updated

In his 2016 followup **Pre-Suasion**, Cialdini argues the *moment before* the ask matters more than the ask itself — **anchoring, priming, and frame-setting**. Several CROs (**Roger Dooley**, **Andrew Davies**) now recommend reading **Pre-Suasion first**, then **Influence** as the tactical reference.

## 5. How to Apply Influence on Monday Morning

```mermaid
flowchart LR
    A[Monday 9am] --> B[Audit 1 outbound sequence]
    B --> C[Add reciprocity opener]
    C --> D[Insert 3 social-proof logos]
    D --> E[Add scarcity close]
    E --> F[Run A/B test 2 weeks]
    F --> G[Pick winner, scale]
```

### Audit your outbound sequence

Open your top-performing **Outreach / Salesloft / Apollo** cadence. For each touch, label which Cialdini principle (if any) it triggers. **Most cadences over-index on authority and under-index on reciprocity and unity** — the easiest wins are usually a value-first opener (reciprocity) and a peer-language reframe (unity).

### Rebuild your pricing page

The **CRO playbook** from **CXL** and **Jeremy Said** maps directly onto pricing pages: add **logo walls** (social proof), **named-analyst quotes** (authority), **annual-discount countdown** (scarcity), and **"trusted by ops leaders at..."** copy (unity). Expect **8-20% lift** on free-trial signups within 4 weeks if your baseline is mediocre.

### Train AEs on the "because" reframe

In every discovery call, the AE must articulate a **real reason** ("**because** your renewal cycle hits Q3 and you'll need a 90-day implementation runway"). Cialdini's research is unambiguous: **any reason** beats no reason, and a real reason crushes both.

### Build a customer advisory board

**Unity** is the most under-used principle in B2B. A 12-person CAB that meets quarterly converts skeptical prospects faster than any feature ship — because they're hearing it from **"someone like me."** **Asana**, **Notion**, and **Linear** all run public CABs.

### Use scarcity honestly

**Real deadlines only.** B2B buyers have memories and finance teams. Fake "this offer expires Friday" pricing emails are the single biggest cause of **deal-cycle elongation** in 2027 enterprise data (**Gong**, **Clari** both publish on this).

## 6. Who Should Read This Book

### Read it if you are

- A **first-time AE, SDR, or BDR** — this is the closest thing to a sales bible that doesn't pretend to be one.
- A **CRO, RevOps lead, or founder** who has never put a Cialdini vocabulary on the moves your team is already running.
- A **marketer or CRO specialist** building landing pages, pricing pages, or email sequences.

### Skip or skim if you are

- **An enterprise-sales veteran** who has already read Cialdini twice — pick up **Pre-Suasion** instead.
- **Looking for a deal-cycle playbook** — read **MEDDPICC** or **The Qualified Sales Leader** first; Cialdini is the *why*, not the *how*.
- **Allergic to anecdotal social-psych writing** — the book is story-heavy. The **Cialdini Institute's** online course is a more structured alternative.

### Reading order

1. **Pre-Suasion** (2016) — the meta-framework.
2. **Influence: New and Expanded** (2021) — the seven principles.
3. **The Small Big** (Cialdini, Martin, Goldstein, 2014) — 52 short field-tested applications.

## FAQ

### Is Influence still relevant in 2027?

Yes. The principles are **statistical regularities about human cognition** — they don't expire. What's dated is some of the examples (Hare Krishna airport flowers, Tupperware parties), not the science. Cialdini and a network of academic replicators have re-tested all seven principles in **2010s and 2020s field studies** with consistent results.

### Where does this conflict with The Challenger Sale?

**The Challenger Sale** argues you win deals by **teaching** the buyer something new and **taking control** of the conversation — which looks like **Authority + Commitment/Consistency** in Cialdini's framework. The "conflict" is mostly emphasis: Challenger says **disrupt the buyer's worldview**, Cialdini says **honor the buyer's existing instincts**. Strong AEs use both — disrupt with Authority, then close with Reciprocity and Scarcity.

### Should I read Influence or Pre-Suasion first?

**Cialdini himself recommends Pre-Suasion first**, because it explains *when* a buyer is open to influence. In practice, most RevOps leaders read **Influence** first because the seven principles are easier to apply on Monday morning. Either order works; the books are complementary, not redundant.

### Is using these tactics manipulative?

Cialdini's own ethical line: **influence is sharing real information about real value through known cognitive channels; manipulation is fabricating or hiding the truth to exploit those same channels**. Fake scarcity, invented testimonials, and dark-pattern UX are manipulation. **Real deadlines, honest social proof, and verifiable authority are influence.** Sophisticated B2B buyers — especially CFOs and procurement — punish manipulation faster than they used to.

### What's the single biggest takeaway for a RevOps leader?

**Most teams over-rely on Authority and Scarcity and under-use Reciprocity and Unity.** Reciprocity (give value first) and Unity (peer-to-peer language and community) are harder to fake, which is why they compound. The teams that win in **2027 community-led GTM** — **Pavilion**, **RevGenius**, **Wynter**, **Exit Five** — are running Reciprocity and Unity at industrial scale.

## Bottom Line

**Influence** is the foundational text for anyone who sells, markets, or designs buying experiences — and the 2021 New and Expanded edition is the one to buy. Pick it up when you're building a sales playbook, redesigning a pricing page, or training a new AE class; **skip it** if you're hunting for a deal-cycle execution manual (read McMahon or Dixon instead). The seven weapons are the **vocabulary** every modern CRO uses without knowing it — once you have the words, the moves get sharper.

## Sources

- [Influence: The Psychology of Persuasion — Harper Collins publisher page](https://www.harpercollins.com/products/influence-new-and-expanded-robert-b-cialdini)
- [Influence New and Expanded — Amazon](https://www.amazon.com/Influence-Psychology-Persuasion-Robert-Cialdini/dp/0062937650)
- [Robert Cialdini official site / Influence At Work](https://www.influenceatwork.com/)
- [Cialdini Institute (ethical-persuasion training)](https://cialdini.com/)
- [Unity: Cialdini's New 7th Principle — Roger Dooley, Neuromarketing](https://www.neurosciencemarketing.com/blog/articles/cialdini-7th-unity.htm)
- [How to Use Cialdini's 7 Principles to Boost Conversions — CXL](https://cxl.com/blog/cialdinis-principles-persuasion/)
- [Applying Cialdini's 6 Principles for CRO — Jeremy Said](https://blog.jeremysaid.com/how-to-apply-cialdinis-six-principles-of-influence-for-cro/)
- [The Enduring Influence of Influence in Sales — Flow State Sales](https://flowstatesales.com/resource-hub/unraveling-the-enduring-influence-of-influence-by-robert-cialdini/)
- [Robert Cialdini on The Knowledge Project — Farnam Street](https://fs.blog/knowledge-project-podcast/robert-cialdini/)
- [The 7 Bedrock Principles of Influence — Perpetual Traffic podcast](https://perpetualtraffic.com/podcast/episode-623-the-7-bedrock-principles-of-influence-for-any-marketer-with-dr-robert-cialdini/)

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