Apple's overhauled iOS 7 update has been live for less than 10 days, but the numbers have already started coming in, and they're quite impressive...
Source: http://www.phonearena.com/news/iOS-7-adoption-breaks-previous-record-now-accounts-for-60-of-the-ecosystem_id47794
Source: http://www.phonearena.com/news/iOS-7-adoption-breaks-previous-record-now-accounts-for-60-of-the-ecosystem_id47794