Peter Erskine, CEO of O2, has said that the iPhone ?has been the fastest-selling device we have ever seen,? according to a Times report. Exact figures for the iPhone?s UK launch have yet to be released, with the Times claiming that Erskine said it had sold ?in the tens of thousands,? while a CNN Money report states Erskine said it had sold ?hundreds of thousands? of the devices since its Friday debut. Aside?