Look away from the screen about every 20 minutes and stare at a distant object for several seconds to relax your eye's focusing muscles.

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Starz is definitely keeping an eye on this promotion, focusing on return visitors and overall impressions of the different parts of the application.

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It may not quite do that - but the live demo of the new translation service looked very clever, as did the standout eye-tracking feature which enables you to pause a video by simply looking away, then restart it by focusing on the screen again.

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