On a recent Friday afternoon, Kashif Hoda was waiting for a train near Harvard Square when a young man asked him for directions. Mr. Hoda was struck by the man’s nerdy, thick-framed glasses, but he did not realize that they were Ray-Ban Meta smart glasses and that a small white …
Read More »This Ring on Your Finger Tracks Your Sleep. Is It Worth the Splurge?
How much would you pay for a good night’s sleep? That’s a question consumers will face when confronted with the growing number of tech products that claim they can track sleep and offer bespoke advice on getting quality rest. The latest sleep-tracking gadget, the fourth-generation Oura Ring, which was released …
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