A little bit about the App Store

Full picture: http://habrastorage.org/storage/habraeffect/83/68/8368ab019dd3b7628f58bc2e8d8398e1.png
Original: http://gizmodo.com/5645869/the-app-store-breakdown-visualized
Just do not be in the comments about the error. Sorry for their translation and grammatical errors.
I am not a translator or designer. I just became interested.