Interface uses crown dial, touch, press, swipe up to bring up notifications
Taptic engine notifications are personal, nobody else will know. Lift to view. Presents replies smart replies parsed from incoming texts
Voice, Dictation, animated emoji you touch to customize. Uses Siri with crown touch
Finger or crown scrolling. Photos app - pan around with finger, dial crown to zoom in
Maps - pan around with swipes. Rotate crown to zoom out. Force touch to bring up search options.
Directions with taptic feedback, right & left turns feel different
Apple watch: Message with digital tap, sends taptic feedback. Send doodles to communicate. Send heartbeat
Apple sure just made Google look unimaginative and basic in a new category #again $AAPL
WatchKit apps : twitter, Starwood hotels allow you to unlock door with watch wave.