Twitter will begin testing Fleets, letting users make posts that disappear after a short period of time, in Brazil, finally using a Stories-like format
On Wednesday, Twitter will begin testing a feature, called “Fleets,” that will allow you to post photos, videos, and text that disappear after a short period of time.
Context & Ripple Effects
In March 2020 Twitter chose Brazil as the proving ground for Fleets, its first disappearing-posts feature, a direct answer to the Stories format Snapchat popularized and Instagram normalized. The single-market test was the gatekeeper step: eight months later the company judged the experiment worth scaling and rolled Fleets out globally, bundling the announcement with plans to chase Clubhouse-style audio.
The arc that followed is the analytically interesting part. Twitter tried to monetize the format with full-screen Fleet ads in mid-2021, then pulled the plug weeks later, retiring Fleets that August after what the company itself called low adoption — while TikTok began running its own Stories test in a handful of markets.
First-order effects
- Brazilian iOS and Android users gain an ephemeral posting layer alongside the permanent timeline, and Twitter gains a clean read on whether its user base actually wants one.
Second-order effects
- A successful Brazil readout clears the path to the global rollout and the ad product built on top of it; when adoption disappoints instead, the same infrastructure is retired within roughly a year of launch.
Third-order effects
- TikTok launching its own Stories test even as Twitter kills Fleets shows the format has become table-stakes feature-copying across platforms — adopted for competitive completeness rather than expected engagement, with success decided per-platform by user behavior, not format novelty.
The trend: Social platforms are converging on copycat ephemeral formats as defensive standard equipment, with each clone's fate determined by its own audience's adoption rather than the format's proven elsewhere.