With the countdown underway to 25 billion total app downloads, there’s no disputing the success of Apple’s App Store. We live in a world of hyperbole, but Apple’s entry into this space really has changed the entire mobile world. But the App Store is far from perfect. And with its immense scale, a few problems have been revealed. The biggest one is app discovery. There are now over 500,000 apps — how do you find anything?