Hands on with X’s new AI-powered custom feeds
SMRTR summary
X has launched Grok-powered Custom Timelines, letting Premium subscribers on iOS pin topic-based feeds — covering over 75 categories like sports, politics, and tech — directly to their home tab. Unlike keyword-based filters, Grok reads and labels every post using AI. Notably, ads appear in the second position of each feed, potentially boosting X's struggling ad business while simultaneously shutting down its Communities feature.
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