Starwood is letting you unlock your room door with your Apple Watch in the spring. #ygmd #AppleEvent

New development environment for the AppleWatch called WatchKit. #ygmd #AppleEvent

AppleWatch provides haptic feedback about navigation, allowing you to know if you should turn left or right by feel. #ygmd #AppleEvent

Smart replies looks incredibly useful. It parses the message and puts up reasonable answers. #ygmd #AppleEvent

The astronomy watch face is perfect for the astro geek within us. #ygmd #AppleEvent

Apple iPhone is *required* for Apple Watch. I suspect that won’t be for forever, but for now, it will reinforce the iPhone ecosystem #ygmd

Kevin Lynch does the first live demo of AppleWatch.

AppleWatch Edition uses 18K gold (no aluminum here). #ygmd #AppleEvent

Three collections of AppleWatch with several types of bands, including plastic, leather loop, stainless steel loops and mesh. #ygmd

The back has four sapphire covered sensors for health metrics. It uses Macsafe for charging but without exposed contacts. #ygmd #AppleEvent