Windows Phone 8 may not have a firm release date, but reports are flooding in that it's just been released to manufacturers (RTM) so they can work on their side of the equation: hardware production. According to LiveSino, pictures posted to Chinese social network Sina Weibo show members of the Windows Phone team signing a banner marking the milestone. In particular, Terry Myerson, Corporate Vice President of the Windows Phone Division, was caught penning his name alongside others. ZDNet's own sources c
