Microsoft's Ballmer hints at Windows Phone 7 tablet Summary: At the Gartner Symposium ITxpo in Orlando, Fla., Microsoft CEO Steve Ballmer talks to analysts about the possibility of a Windows Phone 7 tablet. October 21, 2010 -- 16:15 GMT (09:15 PDT) Loading... Please wait. Topics: Software, Hardware, Laptops, Microsoft, Mobility, Operating Systems, Tablets, Windows Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.