Here's an interesting article on the use of various computer vision
technologies (facial recognition, emotion recognition, activity
recognition) to monitor students in the virtual classroom, and the
social and ethical problems with doing so.

  Intel calls its AI that detects student emotions a teaching
  tool. Others call it 'morally reprehensible.'
  By Kate Kaye, April 17, 2022
  https://www.protocol.com/enterprise/emotion-ai-school-intel-edutech

Sample quote:

  "... But Intel and Classroom Technologies, which sells virtual school
  software called Class, think there might be a better way. The
  companies have partnered to integrate an AI-based technology developed
  by Intel with Class, which runs on top of Zoom. Intel claims its
  system can detect whether students are bored, distracted or confused
  by assessing their facial expressions and how they’re interacting with
  educational content."

-- Dave