مایکروسافت آیفون Duo را در سال 2009 اختراع کرد [ویدئو]

Microsoft invented the iPhone Duo back in 2009 [Video]

Those with very long memories might have spotted a resemblance between the iPhone Duo and a prototype device seen way back in 2009, the Microsoft Courier. My headline is, of course, tongue-in-cheek: Microsoft never got any further than the prototype, and abandoned the project less than a year later. All the same, it is remarkable now to look back at it and see just how similar it is in terms of the integrated…