Stefan Mileschin

One of the neat things about CES is that it gives us a chance to check in with startups we covered the previous year. In the case of, Tobii, 12 months makes a world of difference. When we met with the company last January, it had never publicly shown off its eye-tracking Gaze UI, which allowed us to navigate, zoom, select and scroll on a custom Windows 8 laptop with just our pupils and a touchpad. After playing with it, it was obvious to us the technology still needed some fine-tuning, but nonetheless Tobii promised it would have a product to sell in about a year's time.

Fast forward 12 months: Intel now owns a 10 percent stake in the company, and Tobii recently started shipping its first piece of hardware, the REX. This small USB peripheral, just slightly thicker than a pen, attaches to the base of any computer display, allowing it to bring eye-tracking technology to any Windows 8 machine. For now, it's only available to developers for a price of $995, but Tobii expects to ship 5,000 consumer units by the end of 2013. Happily for us, though, we got to play with it here at CES 2013. Meet us after the break to see how the technology's grown up since we tried it out it a year ago, and then when you're done reading through our impressions, check out the walkthrough video at the end.

http://www.engadget.com/2013/01/06/h...ye-tracking-t/