I’ve been bemusedly reading and watching several iPhone Duo reviews over the past day or so (besides John’s piece, The Verge has a series of excellent pieces and a thorough video review), and the consensus seems to be that it’s a polished, chunky prototype that hasn’t really figured out what the user experience should be. Being a Mr. Mobile fan and watching his videos on Android foldables for years now, it comes as no surprise. But it also will come as no surprise that two years down the road this thing will have solved most of its teething issues–except the...