Time waits for no one, sang the Rolling Stones. And that sentiment is doubly true in the blink-and-you'll-miss-it world of consumer technology products. The past 12 months have seen an abundance of role reversals, fresh faces, and astounding comebacks from a slew of companies—many of which were languishing on the ropes when we rang in 2013.
No, the end of 2013 barely resembles its beginning. Let's take a look at some of the biggest agents of disruption (groan) this year.
Image: Massimiliano Calamelli via Flickr/Creative Commons
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