To encourage the voluntary desegregation, districts started developing magnet schools to draw students to specialized schools all across their districts. Each magnet school would have a specialized curriculum that would draw students based on their interests.
Android holds the largest number of installed-base devices, with 1.9 billion in use in 2014, compared with 682 million iOS/Mac OS installed-base devices. Check out the link Android domination to continue in 2014; iPhone loses ground.
As for iOS, Apple said it has sold over 800 million iOS devices â 100 million iPod touches, 200 million iPads, and over 500 million iPhones. That's up from 700 million iOS devices shipped at the end of September 2013. Cook also said that 130 million of those users were new to Apple in the last year. And since iOS 7 launched last September, more than 97 percent of users have upgraded to the latest OS.