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The biggest gadget trade show in the Americas wrapped up on Friday in Las Vegas after swamping the city with 150,000 attendees. This year, ‘‘wearable’’ computing was big, along with various 3-D technologies, especially 3-D printing.
Wearable devices in the shape of smartwatches and head-mounted displays have been a staple of the show for a long time, but manufacturers were excited this year because the field is finally gaining traction with consumers. The 3-D printing section bustled with activity, and it was clear that even though most people won’t be buying a printer any time soon, they may be enjoying 3-D printed products, such as jewelry, wedding cakes and dental braces, in the near future. Meanwhile, TV makers were heartened by the support for ultra-high-definition TV sets.