- Double tap to fast forward backward video playback
- flick down to exit photo view
- tap and hold and drag up/down to zoom in map
- press and hold photo shutter button to start record video, drag to lright to lock
- long press to select and hold file and use another finger to add more to selection
- long tap and drag on keyboard to move cursor
- Arc Browser: pinch to summarize the webpage
- iOS: sticky tabs in a list (Contacts, Music Album etc.)
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