Perplexity has upgraded its Comet AI assistant to handle tasks across multiple browser tabs, tackle more complex multi‑step quests, and ask for user permission before taking direct actions. The update extends Comet’s attention span, improves its web awareness, and adds a control layer that keeps users in the driver’s seat. Internal tests show a 23% boost in successful task completion, positioning Comet as a more capable background helper for web research and digital paperwork. Read more →

Google's AI note-taking app, NotebookLM, is now available to users 13 and older, and to Google Workspace for Education users of any age, providing younger students with access to AI research tools. Read more →