Marcin Wichary reminisces about UIs that accidentally amass memories , beginning with "the wi-fi 'preferred networks' pane – unexpected reminders of business trips, vacations, accidental detours, once frequented and now closed cafés." Examples in the ensuing twitter thread ( Threadreader ) include, Bluetooth pairings, weather app saved locations, Vimeo's profile photo gallery, old Mii avatars, email drafts folder, ~/.ssh/known_hosts file, and User 1's ichat logs