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2. Walmart patents surveillance tool that can eavesdrop on workers

   www.engadget.com/2018-07-12-walmart-patent-audio...

   The audio surveillance system Walmart designed is composed of several sensors that can collect all kinds of audio data, including beeps and the rustling of paper bags. Any data it gathers can be ...

3. The best home security system - Engadget

   www.engadget.com/2018-05-20-the-best-home...

   If you want to integrate security into a smart-home setup, the Abode system includes support for Z-Wave and Zigbee, as well as Nest, Amazon Alexa, Google Home, and IFTTT, though not Apple's ...

4. Laser microphone - Wikipedia

   en.wikipedia.org/wiki/Laser_microphone

   Laser microphone. A laser microphone is a surveillance device that uses a laser beam to detect sound vibrations in a distant object. It can be used to eavesdrop with minimal chance of exposure. The object is typically inside a room where a conversation is taking place and can be anything that can vibrate (for example, a picture on a wall) in ...

5. OrCam Hear hands-on: A surprisingly effective voice isolation ...

   www.engadget.com/orcam-hear-hands-on-a...

   OrCam Hear consists of a pair of earbuds and a dongle that plugs into any phone, and you'll use the app to control who you want to listen to. The system listens to voices for a few seconds (via ...

6. Category:Audio surveillance - Wikipedia

   en.wikipedia.org/wiki/Category:Audio_surveillance

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

7. The best smart home sensors for Alexa - Engadget

   www.engadget.com/2019-08-18-the-best-smart-home...

   The Monoprice Stitch Door and Window Sensor is currently the only sensor that connects to Alexa through Wi-Fi, so it can connect directly with any Echo, not just the Echo Show or Echo Plus, and it ...