updated 03:51 pm EDT, Fri May 3, 2013
Features so far reserved for Android
iPhone owners with early access to Google Glass will soon also be able to use the glasses' navigation and text messaging features, a Google worker tells TechCrunch. Getting either function currently requires the official Android companion app. In the near future, though, Glass will be able to access them regardless of the device it's tethered to. Exact timing hasn't been mentioned.
The present generation of Glass hardware doesn't have its own cellular access; instead, it tethers to a phone via Bluetooth or Wi-Fi. It also pulls GPS data from the phone, though it does have its own compass sensor. Google has previously confirmed that Glass will support both iOS and Android.