The new Motorola Razr hits a lot of the right notes: nostalgia, size and a foldable display. I have to visit the lab at Motorola headquarters in Chicago, where I saw the design and engineering process behind the Razr zero hinge and how it allows the phone to go from perfectly flat to half folded.
The Razr is the third folding device to be released last year. Following the troubled launch in April, Samsung's Galaxy Fold officially went on sale in September. And in late 2018, Royole launched the FlexPai, a large phone that opens in a tablet. But the pocket size and no folding flat-folded display make the Razr unique. And while the screen is the star of the show, the hinge is what does the whole thing.
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