Multiple social media platforms, including Mastodon and Bluesky, are evolving with new features aimed at promoting user safety, engagement, and transparency. Bluesky has introduced "anti-toxicity" tools and plans to add video capabilities, while Meta is testing 24-hour disappearing posts on its platform. Meanwhile, Mastodon's author bylines feature allows users to track authors' work across different instances. Source: https://www.theverge.com/23686584/twitter-alternative-social-media-platforms-mastodon-bluesky-activitypub-protocol