So when "smart" devices "eavesdrop" on conversations, they can ID each individual speaker - much like FB can tag unidentified individuals in photos.
Thank you for bringing this up. The education system is moving toward privatization, and the companies involved are pure globalist - total indoctrination, tracking, and data collection coming soon to your local school.
Read the articles in this site:
https://wrenchinthegears.com/2018/06/24/a-100-million-secret-bipartisan-political-plan-to-privatize-the-public-sector/
It's all about data and control.