When I was in college I saw my first fax machine and it literally blew my mind. I just couldn't wrap my head around the concept of how a physical piece of paper could be copied and reproduced hundreds of miles away via phone. From today's perspective the whole idea of breaking an image into bits of data that are then used to reproduce that image somewhere else is downright pedestrian, and understanding how it works goes a long way to helping me (kind of) understand what's going on in the video below, but I have to tell you that when I watched the video I had the same reaction I had when I watched my first fax transmission.
Ask any gym rat and he'll tell you that the key to a good basketball shot is the arc on the ball, and he'll also tell you that achieving a good arc is often easier said than done. Well, as with many other things these days, there's an app for that.
Very interesting outlook from the man behind TED: