One of the coolest apps I’ve seen in a long time is Briefly, an app that is basically a slideshow app — except it’s really fast. Super fast. The form is called “still motion video” and it means that each photo is only shown for a sub-second before the next. You can burn through 425 photos in 43 seconds. It’s at once awesome and disappointing, but altogether worth getting. Why? You’ll find a use case for it, I’m sure. Read my full review at MacNewsWorld.