Cinema takings went up last year, largely thanks to the buzz surrounding 3D movies. But in the home, it's been a different story.
Despite the hype at big technology shows like the Consumer Electronics Show in Las Vegas, sales of 3D-ready televisions have been disappointing, which could in part be due to the unpopularity of the expensive and unfashionable glasses.
Ian Hardy toured CES to see how some companies are reinventing 3D - this time without the glasses.
Could 3D television be dangerous to watch?
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