Motorola Razr: Reinventing the classic flip into a foldable phone David . Paris Hilton. Bono . Everyone who was anyone in the early 2000s owned a Motorola Razr . With its sleek edges and metallic keyboard, it stood out from a crop of generic flip phones and made the company cool again . And it wasn't just for the elite. In its four-year run, the chic, ultra-thin handset sold 130 million units on its way to becoming one of the most beloved and iconic pieces of technology ever. Then Apple's iPhone came along and absolutely destroyed it, along with the memory of so-called dumb phones. Now more than a decade later, Motorola , which invented the cellphone but now toils in mobile obscurity, is staging a comeback with a reimagined Razr . It combines the retro clamshell design with Google's Android software and an innovative foldable touchscreen display that puts a new twist on the classic flip phone. CNET reviewe...