Original Link: http://metakite.com/blog/2015/01/the-shape-of-the-app-store/

I didn’t actually expect App Store revenue to obey the 80-20 rule. In fact, I expected it to be a much sharper curve, representing even greater disparity in the distribution of revenue than the 80-20 rule would suggest – maybe a 90-10 split, or even a 95-5 split. As it turns out, the revenue distribution curve of the App Store is even sharper than I imagined. …

Luckily, there’s a lot of money to be made in that long tail.