Question 1

Why do platforms keep changing or shutting off their APIs?

Accepted Answer

An **API** (application programming interface) lets external software interact with a platform programmatically. Platforms have progressively restricted, priced or closed theirs, and the reasons are commercial more than technical.

**Why they opened them originally.** In their growth phase, platforms wanted an ecosystem. Third-party apps, tools and integrations made the platform more useful, drove adoption, and cost nothing to build. Open APIs were a growth strategy.

**Why they close or restrict them:**

**Advertising revenue.** Third-party clients frequently strip ads, algorithmic feeds and promoted content. A user reading through an external client generates far less revenue than one in the official app. **This is the dominant reason**, and it explains why third-party clients are usually the first thing cut.

**Control of the experience.** Platforms want to determine what users see, which is impossible through a client they do not control.

**Data value.** Bulk access to platform data became extremely valuable as training material for machine learning models, and platforms moved to charge for what they had given away.

**Cost.** API traffic consumes infrastructure without generating revenue directly.

**Privacy and abuse.** Genuine concerns, accelerated by the Cambridge Analytica scandal, which prompted Facebook to sharply restrict data access. Scraping, spam and harassment tooling also exploit open APIs.

**Competitive risk**, where a third party might build a rival product.

**The consequences.** Reddit's 2023 pricing change and Twitter's API restructuring both eliminated long-standing third-party clients and, notably, **accessibility tools** that visually impaired users depended on — a widely criticised outcome. Academic researchers also lost access, which has meaningfully reduced independent study of platform behaviour.

**The broader lesson** for anyone building on someone else's API: the access can be withdrawn or repriced at any time, and businesses built on it have been ended overnight. Treat platform APIs as a dependency you do not control.

Question 2

Why do platforms get worse over time?

Accepted Answer

Because the incentives change as a platform matures, in a pattern regular enough to have been named — enshittification, Cory Doctorow's term for a three-stage decay from serving users, to serving

Question 3

Why do platforms now offer paid ad-free tiers?

Accepted Answer

Partly for revenue, and substantially because of privacy regulation — the "consent or pay" model emerged as an answer to a legal problem, not only as a product decision. The regulatory driver. Data

Question 4

Why do social platforms keep copying each other's features?

Accepted Answer

Because copying is cheap, fast and low-risk relative to inventing — and because the thing being copied has already been validated by someone else's users, which removes the main uncertainty in

Question 5

How do platforms experiment on users?

Accepted Answer

Continuously, through A/B tests running on live users without individual notice — which is standard practice across the industry and is why your app can differ from a friend's on the same version.

Question 6

What is social commerce, and why are platforms pushing it so hard?

Accepted Answer

Buying and selling inside a social app rather than clicking through to a retailer's website — and platforms are pushing it because it solves their two biggest commercial problems at once. Why

Question 7

Why aren't platforms treated as publishers?

Accepted Answer

Because most legal systems grant intermediary liability protection — services that host other people's content are not automatically liable for it, provided they meet certain conditions. This single

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