Researchers added cameras to Quest 2 controllers to enable full-body tracking in virtual reality, such as with this demo of Feet Saber (a reference to the game Beat Saber).

Amazon’s New Echo Show 10 Features Body-tracking. Adriana Lee. ... Users can shut off the camera and block movement tracking in the Alexa app or by vocalizing, “Alexa, ...

If you've ever felt that your body would be a better controller in virtual reality than a joypad or wand, you'll understand why Kaaya Tech's HoloSuit just reached its funding goal on Kickstarter.

The sensors built right into the Aura Strap 2 add a wealth of body-tracking information that you can’t with the Apple Watch’s default Fitness app.