Apple's iOS 7 beta has started to show up in website logs, suggesting that Apple is testing out the new operating system ahead of its rumored WWDC debut. This isn't the first time that operating systems have shown up in website logs ahead of their launch.
Onswipe, for instance, has seen massive spikes in iOS 7 traffic to the sites they manage. The majority of the iOS 7 traffic is coming from San Francisco and Cupertino, 18.75 percent and 17.9 percent respectively. 75 percent of the iOS 7 traffic is coming from iPhones and 25 percent is coming from iPads.
Apple is widely expected to announce iOS 7 at the WWDC. It's not clear what changes will be included, though there has been talk that it will feature a flat visual design. If iOS 7 makes an appearance at WWDC, you'll be sure to hear about it here.