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CES 2023: Smelling, touching take center stage in metaverse

The metaverse — essentially a buzzword for three-dimensional virtual communities where people can meet, work and play — was a key theme during the four-day tech gathering in Las Vegas that ends Sunday.

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But more robust and immersive uses of scent — and its close cousin, taste — are still further away on the innovation spectrum. Experts say even VR technologies that are more accessible are in the early days of their development and too expensive for many consumers to purchase. The numbers show there's waning interest. According to the research firm NPD Group, sales of VR headsets, which found popular use in gaming, declined by 2% last year, a sour note for companies betting big on more adoption.