One thing I have noticed is that every iPhone commercial I've seen, regardless of carrier, looks like its been approved by Apple in name as well as appearance. If you watch a commercial for almost any Android device, it looks like it could be either a carrier or device commercial. I remember when the Motorola Droid first came out seeing the 'energy core with static discharge' with a bunch of red hues and knowing immediately "oh, Verizon's got this". Sprint does the same by shoving yellow text anywhere that negative space hasn't yet been sullied. I find it oddly telling about the difference between the two camps, as having owned both Android and iPhones, the difference in commercial is roughly analogous to the user experience in terms of carrier integration.