The latest App Store statistics released by Apple revealed that 74% of all compatible devices now boot iOS 7. The share of the latest OS version is up 10% since October, thus making iOS 7 the fastest adopted release to date.
The numbers from Apple also show that iOS 6 runs on the devices of 22% of all App Store users. The remaining 4% goes to devices running older iOS versions.
The main factors behind the quick adoption rate of iOS 7 are yet to be specified by Apple. The well-received, refreshed iPhone and iPad lineups are certain to have contributed to the quick growth of the iOS 7 share.
What's your point again? Isn't this the case for every OS?
Because they know when you upgrade hard to degrade. Common people don't even know how..
Obviously the people like you who click on the article and comment.