The Kogeto Dot is an interesting little device. It's a lens that attaches to your iPhone 4, and allows you to shoot 360 degree panoramic video with the iPhone's little camera. Engadget tried it out and they found it a little awkward -- you have to hold the iPhone perpendicular to the floor as you shoot, which means you can't actually see the screen unless you're holding it high above your head. But usability really isn't the emphasis here -- the lens comes with an app that will straighten out your video and even allow you to stream it right from the iPhone, so portability is the main driver in this case.
The company also has a standalone p
