Android Wear is Google's Android-based operating system specifically designed for smart watches. The first devices running the OS are already available, including the LG G Watch and Samsung Gear Live. The Moto 360 does not yet have an official release date.
As with any new operating system it'll take some time for you to get comfortable with its ins and outs. That is, unless you use our handy guide.
Below is a list of how to do everything on Android Wear that we know. Look for more how-tos to be added over the coming weeks. If you don't see what you're looking for, let us know in the comments.