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 l...
Source: [9to5Mac](https://9to5mac.com/2026/09/10/microsoft-invented-the-iphone-duo-back-in-2009-video/)