Right on cue, the iOS 7 software update has been made available for download. And it isn't just live in a single market. We're getting reports from all over the world, including the US, the UK, Mexico, India, and parts of Europe...
Source: http://www.phonearena.com/news/iOS-7-is-released-for-supported-iPhone-iPad-and-iPod-touch-models-get-it-while-its-hot_id47554
Source: http://www.phonearena.com/news/iOS-7-is-released-for-supported-iPhone-iPad-and-iPod-touch-models-get-it-while-its-hot_id47554