Time machine stuff: William Gibson, back in the day on the Internet.
Brief and to the point Jaron Lanier interview on how some social media algorithms are used to addict, categorize, and then modify the perceptions and behavior of the user - all without users being aware how seriously they are being affected.
A bit dramatic but nevertheless clear overview of the hazards associated with passive and uncritical usage of social media platforms that accumulate, package, and sell your online behaviors and data.
Random number generators and large group consciousness events.
Wonderful, crazy, funny Ted Talk about Noöspheres.
Arcosanti
Quantum Coherence Domains