X rolled out Custom Timelines this week, a long-awaited tool that lets Premium subscribers pin topic-specific feeds right to their home screen. Nikita Bier, X’s head of product, called it “one of our biggest changes,” powered by Grok analyzing every post for relevance. Users swipe between these streams—over 75 options strong, from AI and cryptocurrency to soccer and K-pop. Early access hit iOS first; Android follows soon.
Bier announced the launch on X, posting a demo video. “It’s powered by Grok’s understanding of every post with the algorithm’s personalization—meaning every timeline is made just for you. And it works even better when it’s a topic you already engage with,” he wrote. His post racked up thousands of likes, signaling real appetite. This isn’t keyword matching. Grok reads content holistically, assigns labels, then tailors based on your habits—no hashtags required, as an X representative told TechCrunch.
Pin up to 10 feeds via the new plus icon past For You and Following tabs. Broad buckets like Business & Finance split into niches: Formula 1 racing, biotech, mental health. News leans current—think Iran conflict, elections. Sports fans get granular: esports or cricket. Pop culture? Hip-hop alongside jazz. TechCrunch hands-on testing showed diverse sources, ABC to Reuters, without glaring bias, though Grok’s quirks linger in broader debates.
Users cheer the control. “Finally a way to separate tech from sports without building a whole new account,” posted @Hoxygo. @syssignals tried it early: “Using it since morning, tbh it’s okay. I saw overlapping in between AI, Software and Tech. Also seeing same content again and again.” Still, hope for refinement. Podcaster Aakash Gupta spotted the 75-timeline cap and mused it feeds xAI data troves, per Mashable.
Timing matters. X axes Communities May 6—those subreddit-like groups saw under 0.4% usage, plagued by spam. Custom Timelines fill the gap, pushing AI discovery over closed chats. Group chats expand too, now with public links for 350 members. Bier frames it as smarter organization: feeds for niches, chats for talk. Digital Trends calls the pivot bold.
Creators gripe. One monetization worry: do custom views pay? Bier clarified they do, same as For You impressions. “We really want to encourage niche topics and this is a great way to monetize them vs. going after big mainstream topics,” he replied to @Denosko1. Smaller accounts get a boost—Bier prioritizes them. Yet some feel deboosted overall.
Not the first stab at this. Twitter tested swipeable topics in 2019, dabbled in custom discovery pre-Musk. Echoes TweetDeck, now X Pro, but baked into mobile home. Competitors moved faster: Bluesky’s Attie AI feeds since 2023, Threads pinned topics in 2024, as Engadget notes. X pairs it with Snooze Topics—block unwanted stuff on iOS and web.
Social Media Today sees upside: breaks filter bubbles, surfaces fresh voices. Their analysis ties it to recent feed filter tests. Rollout stumbles? App updates fix old experimental versions. Religions coming in weeks—quality lagged before, Bier said responding to a Catholicism query.
Premium lock raises brows. Free users wait, if ever. xAI’s Grok tie-in deepens post-acquisition. Feeds personalize sharper for engaged users. Overlap bugs? Repetition? Early days. But for niche hunters—Bitcoin dives, meme streams—it’s a direct line to signal amid noise.
Bier pushes back on critics. To one deboosted poster: “Nothing matters more to me than smaller posters and niche interests getting visibility. This is why we launched Custom Timelines.” Monetization aligns. Engagement could spike as users niche down.
X bets big on AI curation. Custom Timelines sidestep one-size-fits-all For You. Snooze complements. Communities’ end clears deck. Group chats scale. Platform sharpens for depth over scattershot scrolling. Users adapt. Some stick to Following. Others pin away.
Watch Android. More topics. Free tier? Creator dashboards might track custom impressions soon. For now, Premium iOS leads. X evolves—Grok at core.
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