ControlAir lets you control your Mac by pointing your finger
 

If you're sitting at your Mac right now, there's a fairly high chance that you'll be listening to music. Normally, if you want to skip between tracks, you'd use the keyboard shortcuts that line the top of your Apple keyboard. But what if you could co...

http://www.engadget.com/2015/02/06/c...=rss_truncated