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The most intriguing tech gadget prototypes demoed this week

Ars Technica
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At this week 's Mobile World Congress , we got a peek at some of the research and development happening in the hopes of forging a functional gadget that people might actually want to buy one day .

Samsung Display's Flexible Briefcase prototype uses an 18.1-inch OLED tablet that "can be folded into a compact briefcase for convenience" The folding screen could yield a similar experience to using a foldable laptop.