Chicago - Microsoft announced on Monday an update and name change for its Internet TV (IPTV) software, which will now be known as Mediaroom and include new features like in-home personal music and photo sharing, multiple picture-in-picture capabilities, support for digital terrestrial television, and new advanced applications tools for developers. So far, 18 IPTV providers worldwide have deployed Microsoft's IPTV software, including AT&T's U-verse service.