Mobile Devices

Apple set itself a real challenge with the iPhone 4, by making video calling – the great white elephant of 3G – one of the device’s main advertising points. And if FaceTime, as Apple rebranded it, isn’t crippled by history, it is certainly challenged by the fact that it only works over wifi. Until now that is, but it’s not Apple that has brought video calling to the cellular networks.

byJames Middleton