Facebook says NYU Ad Observatory, which analyzes political ad targeting with data from users with a browser extension, must cease the practice for violating TOS (Jeff Horwitz/Wall Street Journal)

Jeff Horwitz / Wall Street Journal:
Facebook says NYU Ad Observatory, which analyzes political ad targeting with data from users with a browser extension, must cease the practice for violating TOS  —  In letter this month, Facebook says the project violates provisions in its terms of service that prohibit bulk data collection

via Techmeme