Every Social Network Is a Privacy Policy Change
A lens for building or evaluating a social product: the winning innovation is a change in the sharing rules, never a change in the technology.
- Difficulty
- Moderate
- Time to result
- ~months to results
- Steps
- 5
- Confidence
- 82%
Sean Puri lays this out as a long-running theory while discussing the wave of Twitter competitors after Elon Musk's acquisition. Each generation of network is a privacy policy shift, not a technical one. Facebook's change was that only people at your school could see you, gated at the door by a school email address, which made people willing to share far more than on MySpace. Twitter's change was that follows are unilateral: nobody has to accept a friend request for you to see their content. Snapchat's change was that content self-destructs, so nothing is permanent. Applied forward, he argues a Twitter competitor has exactly two viable paths, and neither is a better feed algorithm. One is an echo chamber for people angry at the incumbent, in the mould of Gab or Truth Social but actually executed. The other is to invert the incumbent's scale advantage by making small audiences the perk, so that having a thousand followers in an invite-only space is desirable rather than a downgrade. Both he and English dismiss decentralization as technology looking for a problem.
Origin
Sean Puri articulated it on MFM while reasoning about which of the post-Musk Twitter competitors could actually work.
Core principles
- 01The innovation in a social network is a rule change, not a feature
- 02New sharing rules change behavior, and changed behavior is the moat
- 03Gating at the door is a design lever, not a growth tax
- 04You cannot beat an incumbent at its own privacy policy
- 05Turn the incumbent's scale advantage into your disadvantage-as-perk
How to run it
- 1
State the incumbent's privacy policy in one sentence
Reduce the network you are competing with to its sharing rule. Twitter's is that follows are unilateral and content is public and permanent, which is what everything else about the product follows from.
- 2
Propose a genuinely different rule
Your rule has to differ on who can see what, for how long, and on whose permission. Facebook gated by school email, Twitter removed mutual consent, Snapchat removed permanence, and each shift produced a different network rather than a better one.
Watch out If your rule is identical to the incumbent's, you are not competing, you are cloning.
- 3
Name the behavior the new rule unlocks
Trace the rule to a specific behavior change. Facebook's school gate made people more interested in each other and more willing to share, which is the actual product, not the profile page.
- 4
Choose a path against the incumbent
Sean names two that can work. Take a community of people angry at the incumbent into their own space, or invert the scale disadvantage so that a small audience becomes the perk via private and invite-only communities.
- 5
Reject technology-first differentiation
Discard positioning built on the stack or on ownership. Sean's dismissal is that we are Twitter not owned by Elon Musk, or we are decentralized Twitter, and nobody cares. English adds that decentralized is technology looking for a solution.
Pro tip If your pitch survives removing every technical claim, the rule change is real.
In the wild
Facebook's rule was that only people at your school could see you, enforced by a school email address at the door. Twitter's rule removed mutual consent so anyone could unilaterally decide to receive your content. Snapchat's rule removed permanence so everything self-destructed.
→ Three dominant networks, each built on a sharing-rule change rather than a technical advance, with users flocking to each new rule set in turn.
Sean poses the incumbent problem directly: Stephen King has no reason to post somewhere with a thousand followers when Twitter gives him a million. The proposed answer is not more scale but inversion, making the thousand-person ceiling the actual perk through private, invite-only spaces with a Twitter-like content format.
→ A design brief for a viable competitor that does not require out-scaling an incumbent with hundreds of millions of users.
Common mistakes
Competing on ownership or ideology instead of rules
Sean's specific dismissal is that we are Twitter not owned by Elon Musk gets no traction because nobody cares who owns the servers. Without a different sharing rule the product is the incumbent with worse network effects.
Treating decentralization as the differentiator
English calls decentralization technology looking for a solution. It is an architectural choice invisible to users and it changes nothing about who can see what, which is the only axis on which social networks have ever won.
Trying to out-scale the incumbent head-on
An entrenched network with hundreds of millions of users cannot be beaten on reach even with a better product. The framework's answer is to make small scale a feature rather than to lose a race you entered voluntarily.
Is it for you?
Best for
Founders building consumer social products or communities, and investors evaluating social network pitches
Not ideal for
B2B software, marketplaces, and infrastructure products where sharing rules are not the core mechanic
From the transcript
“I have this kind of long-running theory about social networks, which is that every social network is a change in privacy policy, not a change…”
“It's a change in privacy policy that totally changed people's behavior cuz now you're more interested in everybody and you're more willing to share.”
“you have to turn the disadvantage into an advantage. So instead of Stephen King saying why do I want to go tweet here when there's…”
“I think the decentralized is a joke. Um I think that's technology looking for a solution.”
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