http://techcrunch.com/2015/04/22/two-new-apple-watch-apps-knock-and-oneid-let-you-unlock-your-mac-from-your-wrist-and-more/

This is a perfect example of what the Apple Watch will give us: a dead simple way to save seconds here or there throughout the day. Love it.

It’s also a great (or not so great, depending on how you look at it) way to waste time with Apple Watch games.