[Musk: Major Update to X Timeline, Focus on User Dwell Time and Complete Reading] BlockBeats News, October 20 — Musk posted that the X platform's timeline recommendations have undergone two significant adjustments. First, a new artificial intelligence and super-intelligence ranking model has been introduced, which can better predict the time users are likely to spend. Second, the retrieval model has been trained to prioritize posts that users are more likely to read in full. Musk also stated that the active seconds of X platform users are growing exponentially, setting new historical records almost daily. The accompanying chart shows that the user activity curve in 2026 is significantly higher than in previous years, reaching above 500 billion seconds by late October. [Original Link]