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4K offers four times the resolution of that old HD TV you have, but there isn't much content in the format. OLED is the same resolution as HD, so the content is still relevant, and it offers blacks and a dynamic range that are off the charts. But, while both technologies regularly knock off the figurative socks of observers, so do the current price tags, which start at $10,000 and, for the larger units, go north of $25,000.
Health Gadgets, Gestures
Another trend that could break out this year -- new generations of gestural and eye-tracking control of computers and mobile devices. Swedish company Tobii Technology will be showing its gaze tracker, and a highly precise, in-the-air, inexpensive gestural controller and software will be demoed by Leap Motion. Microsoft's video-game gestural controller Kinect has established itself as a big hit, and some are expecting these technologies to become the next wave.
Current Analysis' Avi Greengart, who will make his annual pilgrimage to this device extravaganza, said he isn't expecting many big new developments in mobile technologies, given the contemporary emphasis on Mobile World Congress launches in February and the absence this year of HTC, Motorola and other mobile giants at CES.
He said that post-touch technologies could have some specific benefits, such as for disabled users or as supplementary ways to interact, but that they didn't appear poised to become a big wave.
Greengart is expecting to see "lots of mobile automotive tech, lots of mobile health gadgets," and lots of ways for TVs to "work with your phone or tablet," such as the ability to view the same content on a mobile device as on a TV. There has been some chatter about this year finally being the year when wearable computing makes a dent in public consciousness, but if it does, Greengart said that would be "a pleasant surprise."