Add heartbeat detection to verify the person is alive. [1] has one example, Goog...

adrianN · on June 13, 2019

Add gaze tracking and have people look at a randomly moving dot.

quickthrower2 · on June 14, 2019

While entering captcha codes every 10 seconds

byronhsu1230 · on June 13, 2019

This is so useful!

ergl · on June 13, 2019

[flagged]

scarejunba · on June 13, 2019

Not everything is a soapbox for your pet hate, man. People are just sharing cool things you can do with webcams and computer vision.

dang · on June 13, 2019

Please don't be personally rude on HN. Your comment would be fine with just the second sentence.

scarejunba · on June 14, 2019

Cool. I should have just flagged and moved on.