What really bugs me is when some smartphone-less associate grabs my phone to look at some web page, or worse -- to browse for something that they'd have to haul out a laptop for otherwise. Also, as an iPod touch (gen 3) owner, I really hate it when an iPhone 4 owner grabs my old-looking iPod for easy reference in running down how crappy they think the screen is. Luckily the really obnoxious iPhone 4 early adopters are fast fading into the woodwork (we didn't get the iPhone 4 here in Canada until last month, suspect this is already a non-issue in the US).