Keen is a new way to curate, collaborate and expand your interests. Powered by machine learning, Keen leverages the Google Search index, combined with user feedback to provide personalized recommendations that improve over time to help you expand your interests. Keen is also available as a bookmarklet, allowing users to save any website by bookmarking https://staykeen.com/add?via=bm&url=about%3Ablank in their browser. Keen is an experiment from Area 120 and PAIR at Google.