I was Mark Zuckerberg's mentor. Today I would tell him: your users are in peril

I’m a major investor in Facebook, and I fear the dangers of tech addiction. While investors’ recent open letter to Apple is significant, more need to speak up

I am a tech investor, and Facebook is by far my largest investment. Still, for the past 15 months I have been pushing Facebook to sacrifice near term profits. The reason? I want them to address the harm the platform has caused through addiction and exploitation by bad actors. Government watchdogs barely regulate the technology sector in the United States, so investors like myself have a big role to play.I was once Mark Zuckerberg’s mentor, but I have not been able to speak to him about this. ...