Major websites like Facebook, Twitter, Snapchat and others are working with a nonprofit called Thorn ("digital defenders of children") and, perhaps predictably, its methods are dubious.

Thorn offers internet companies its content moderation tool "Safer," and for law enforcement, its separate data-mining and user-profiling tool "Spotlight." Both use data sources and AI to automate policing of sex content. Of Thorn's 31 nonprofit partners, 27 target adults and vow to abolish consensual sex work under the banner of saving children from sex trafficking.

More here.