It's no secret that Microsoft is anxious to get copy / paste functionality rolled out to Windows Phone 7 users on the double. In his CES keynote last night, Steve Ballmer himself said that it'd be coming soon -- but a little hint on Microsoft's site indicates that it might be coming as soon as this month: the URL Microsoft is using for the update's details page includes "january-update.aspx" in it, which we'd say is pretty telling. Of course, launch dates inevitably slip, and perennial Microsoft guru Paul Thurrott
