Gadget watch at CES 2013

Phil Molyneux, President and CEO of Sony Electronics, introduces the new Xperia Z smartphone during a news conference at the International Consumer Electronics Show in Las Vegas on January 7, 2013. The 2013 International CES gadget show, the biggest trade show in the Americas, is taking place in Las Vegas from January 8-11.

Sony unveiled its flagship smartphone Xperia Z at the press conference in Las Vegas. It features a full HD 5-inch retina display with mobile Bravia engine 2.

The Xperia Z from Sony will be powered by Qualcomm's Snapdragon Pro quad core processor.

The Sony Xperia Z will have a 13MP camera with world's first image sensor with HDR for videos.

People check out Sony's new Xperia Z smartphones after a news conference at the International Consumer Electronics Show in Las Vegas.

Attendees at Sony's news conference at the International Consumer Electronics Show in Las Vegas.

Sony's 4K XBR LED televisions on display at the Sony booth during the International Consumer Electronics Show in Las Vegas

Sony wowed everyone by announcing the world's first 4K OLED TV. This 56-inch prototype on display has a 3840x2160 resolution.

Technicians install Sony's 4k Ultra HD television at the Sony booth at the International Consumer Electronics Show in Las Vegas.

Samsung Senior Vice-president Michael Abary introduces the Series 7 Chronos on press day at the Consumer Electronics Show, in Las Vegas on January 7.

Samsung Electronics executive vice president Joe Stinziano introduces Samsung's Ultra HDTV at the Consumer Electronics Show in Las Vegas.

B.K. Yoon, president of Samsung's Consumer Electronics Division speaks during a news conference on press day at the Consumer Electronics Show in Las Vegas.

Samsung president Tim Baxter introduces the new LED F8000 large screen television on press day at the Consumer Electronics Show. The flagship F8000 LED TV will be powered by a quad Core processor. Utilising the multiple cores the LED TV will showcase advanced feature such as voice recognition, better gesture control, etc.

Samsung's new LED F8000 rises on stage as company president Tim Baxter introduces its features during a news conference on press day at the Consumer Electronics Show on January 7 in Las Vegas.

LG OLED televisions are displayed at the LG booth at the International Consumer Electronics Show in Las Vegas on January 7, 2013.

A motion sensor being tested at the LG booth at the International Consumer Electronics Show in Las Vegas on January 7, 2013.

Show attendees photograph Panasonic's new televisions during a news conference at the International Consumer Electronics Show in Las Vegas on January 7, 2013.

Panasonic's Vic Carlson introduces the new user interface for its "Smart Viera" TVs, featuring a TV-mounted camera that recognizes the user and sets viewing preferences accordingly.

Panasonic's Shiro Kitajima (far right) and Vic Carlson introduce the bone construction headphones during a news conference at the International Consumer Electronics Show in Las Vegas.

Intel Vice-president and General Manager (PC Client Group) Kirk Skaugen shows off the new Ultrabook (left) next to an average 3-year-old laptop, at Intel's media briefing prior to opening of Consumer Electronic Show (CES) on January 7.

A display made with laptops is seen at the Intel booth at the International Consumer Electronics Show in Las Vegas.

A man walks past the Intel booth at the International Consumer Electronics Show in Las Vegas on January 7, 2013.

The Audi booth is seen at the International Consumer Electronics Show in Las Vegas on January 7, 2013.

DISH Network President and CEO Joe Clayton greets the company mascot, Hopper, at the start of a news conference during press day at the Consumer Electronics Show on January 7, 2013.

DISH Network President and CEO Joe Clayton talks about the Hopper's new features at a news conference during press day at the Consumer Electronics Show, on Janaury 7, 2013, in Las Vegas.

Dish Network Corp has upgraded its set-top box 'Hopper' - which sends the TV signal 'hopping' from room to room, covering all the TVs in the house - so that it follows you wherever you go - even outside the house.

A booth for X-Doria being set up at Las Vegas Convention Center on January 6, 2012, in Las Vegas. X-Doria, a mobile accessories company, is one of thousands of consumer electronics exhibitors that will be showing products at the International Consumer Electronics Show, which opens on Janaury 8 and runs through January 11, 2012.

The show drew more than 3,100 consumer electronics exhibitors in 2012 and is open only to industry affiliates.

A Sharp Electronics employee programs a flat screen display at the company's booth for the International Consumer Electronics Show in Las Vegas.

'Reptar', a robotic snake that is one of 17 possible creations available in the new, $350 Lego Mindstorms EV3 platform that will have the ability to talk to iPhones, iPads and iPod Touches through Bluetooth wireless connections. Lego is scheduled to announce the kit at the Consumer Electronics Show in Las Vegas.

At the Consumer Electronics Show in Las Vegas from January 8-11, TV makers will be doing their best to convince that HDTVs are old hat, and should make room for "Ultra HDTV". Seen here is Sony's ultra-HD 4K TV set.