If you haven't seen the new OK Go video yet, it will make you happy. Their previous one, End Love, is also cool: it's a single take over several days, alternately sped up and slowed down.

As far as I'm concerned, Shazam – the iPhone app that can identify any music you're listening to – is the closest technology has ever come to magic. If you've ever wondered, this post explains how Shazam works.