History of App Stores and Their Milestones [Infographic]

The Android and iOS app stores have hit their share of milestones over the last couple of years. Their number of apps available, downloaded and paid for are increasing with every blink of the eye. But have you ever wondered what a timeline of those milestones looked like? When both markets officially kicked things off or when they hit their first billionth download? Thanks to the folks at ShoutEm, we get just that through an inforgraphic. 

(Click to enlarge)

Via:  ShoutEm