He may have co-founded the company that became Microsoft's largest competitor, but former Apple boss Steve Wozniak has glittering things to say about his former rival's mobile OS. Mr Wozniak, who co-founded Apple with the late Steve Jobs in 1976, has given a shocking endorsement of Windows' 7.5 Mango interface. The 61-year-old, who no longer works full-time for Apple, says of the four phones he travels with (including two iPhones), the Nokia Lumia makes him feel as though he is 'with a friend, not a tool'. Shock endorsement: Steve Wozniak, who co-founded Apple with the late Steve Jobs in 1976,...