Twitter retires Discover and Activity features for iOS and Android users, moves Trends tool to search page
Gabor Cselle / The Twitter Blog :
Context & Ripple Effects
In April 2015, Gabor Cselle's team stripped two of Twitter's oldest mobile surfaces — the Discover tab and the Activity feed — out of the iOS and Android apps, folding what survived into search. The move was not a one-off cleanup: within weeks Twitter removed the Discover tab on the web too while rolling out tailored Trends with descriptions, signaling that discovery was being consolidated rather than killed.
The arc runs forward through the product line: by late 2016 Twitter was testing an Explore tab in place of Moments on mobile, and by early 2017 it confirmed Explore would replace Moments entirely with trending topics at the center. Even Google saw the pattern's value — its iOS Search app later gained a Twitter-like Trends feature. What began as a tab deletion became a multi-year repositioning of trends-and-search as Twitter's core navigation.
First-order effects
- iOS and Android users immediately lose the Discover tab and the Activity feed; anyone who relied on those surfaces for passive content discovery has only the timeline and the relocated Trends tool inside search.
Second-order effects
- With mobile Discover retired, Twitter doubles down on Trends as the discovery engine — the same tailored-Trends-with-descriptions push it extended to the web weeks later, concentrating curation effort on one surface instead of three.
Third-order effects
- The deletion sets the template for successive consolidations — Moments giving way to an Explore tab built around trending topics — pointing toward a product where search-plus-trends is the primary entry point and standalone discovery tabs are structurally redundant.
The trend: Twitter is progressively collapsing its discovery surfaces into a single search-and-trends core, pruning standalone tabs whenever engagement data shows duplication.