Disappointed to see The Markup share advice for people to use WhatsApp in its post about preparing your phone for a protest, and that it's coming from "digital security trainers."

Metadata literally kills, and WhatsApp is swimming in it. The metadata they collect includes:

Groups you're a member of, location, personal info (email, phone number, user IDs), contacts and their phone numbers, in-app search history, when you use the app & how often you use it. E2EE alone doesn't guarantee #privacy