In a bid to outshine rival Bluesky, Meta's Threads is rolling out AI-powered summaries and expanded trending topics. Instagram head Adam Mosseri announced enhancements including search by date and account, and boosting 'Trending now' from 5 to 15 topics. With Threads boasting over 275M monthly active users against Bluesky's 20M, Meta is tweaking its algorithm to prioritize followed accounts. Users are invited to test these updates starting today, as the social media arms race heats up.