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Images from Las Vegas and CES 2014.

The result of more than four years of R&D, Reebok's CheckLight acts as a head impact indicator, in the form of a wearable skullcap with flexible electronics.

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Featured at CES 2014 at the Makerbot booth.

Unknown creator.

Images from Las Vegas and CES 2014.

Images from Las Vegas and CES 2014.

At Variety’s “The State of the New TV Business: What Comes Next?” panel at CES on Wednesday, TV executives highlighted the impact of new technologies in brief snapshots.

Charlotte Koh, head of development at Hulu (right)

Jake Katz, VP, audience insights and strategy, Revolt TV (center)

Manish Jha, general manager mobile, NFL (left)

Uses bluetooth and makes mesh networks

The Samsung UHD Video Pack, a hard drive containing 4K movies and documentaries, will be supplemented by downloads for an total of 50 movies and shows over the course of the year.

Images from Las Vegas and CES 2014.

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