The release of a dedicated Google Maps app for iOS last week did not inspire a rush of iOS 6 upgrades, according to data from mobile ad network Chitika. In the 24 hours after the launch of the Google Maps iOS app, Chitika only saw a very slight uptake in iOS 6 adoption - from 72.77 per cent to 72.94 per cent. Why would the app inspire iOS 6 upgrades? Those who made the early move from iOS 5 to iOS 6 lost the Google Maps app that had been pre-loaded on all iOS...