Polaroid's new picture-taking GL20 sunglasses are displayed at the Consumer Electronics Show, Thursday, Jan. 6, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

Attendees check out a 3-D television demonstration at the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

Verizon displays the 4G Motorola Droid Bionic at the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

Exhibitors and buyers at the Consumer Electronics Show walk by a display of LG HDTV screens, Thursday, Jan. 6, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

Panasonic 3-D glasses are seen on display at the Consumer Electronics Show, Thursday, Jan. 6, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

The Playbook is on display at the Blackberry booth during the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

Attendees look over Samsung's new 4G LTE phone at the Consumer Electronics Show, Thursday, Jan. 6, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

A buyer tries out Sony's 3-D visor at the Consumer Electronics Show, Thursday, Jan. 6, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

Verizon displays the 4G HTC Thunderbolt at the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

Members of the media check out the Motorola Xoom tablet PC during a press preview for the Consumer Electronics Show Wednesday, Jan. 5, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

Anthony Anderson, an exhibitor representing NBC Universal, tries a 3D HDTV display by Sony at the Consumer Electronics Show, Thursday, Jan. 6, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

Ken Bower checks out mobile accessories at the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

A new Dell Streak 7 4G tablet is pictured during a news conference at the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)

Microsoft chief executive officer Steve Ballmer gives his Keynote speech for the Consumer Electronics Show, Wednesday, Jan. 5, 2011 in Las Vegas. (AP Photo/Julie Jacobson)

Attendees mill around the Blackberry booth at the Consumer Electronics Show Thursday, Jan. 6, 2011, in Las Vegas. (AP Photo/Isaac Brekken)