A top Nokia exec just confirmed the much-rumored schedule for the next Windows Phone update, codenamed Apollo. Michael Halbherr, Executive VP for Location and Commerce, told us that it'll launch in mid-2012 and be a "very different game" to Mango -- hinting that Apollo actually refers to Windows Phone 8 rather than any mere decimal increment. What do we know about Apollo at this point? Well, not a great deal, but Halbherr also revealed that he's been pushing Microsoft to integrate NFC and a "positioning f