surveillance

surveillance

Density, a buzzy Upfront Ventures-backed startup that big tech companies like Facebook and Google as well as the U.S. government have used to anonymously monitor how employees are using buildings, can now provide a more accurate count of the number of occupants in a room.

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Amazon unveiled a new lineup of spherical Echo devices, an autonomous flying indoor Ring security camera, a new cloud gaming service, and new features to help Alexa converse and interact more naturally with users.

The flurry of news came Thursday morning during the company's annual Devices & Services event, a virtual version of a fall tradition in which the company typically shows its newest Echo speakers and other Alexa-enabled devices.

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