If you love baseball, you're going to love Blue, an app for Google Glass wearers; using geolocation data, the app figures out which ballpark you're at and doesn't make fun of you if say, you happen to be watching a game at Marlins' Park. The app tells you the speed and type of each pitch thrown, even displaying the speed of the toss...
Source: http://www.phonearena.com/news/Google-Glass-app-Blue-is-a-Glass-wearers-best-companion-at-the-ballpark_id47368
Source: http://www.phonearena.com/news/Google-Glass-app-Blue-is-a-Glass-wearers-best-companion-at-the-ballpark_id47368