Russia funded Facebook and Twitter investments through tech magnate
It complicates social networks' bids to distance themselves from Russia.
Major news outlets shared Russian propaganda from Twitter
Russia-backed fake accounts tricked the Washington Post, CBS and others.
Twitter offered Russian media outlet 15 percent of its election ads
It's a reminder that social networks weren't questioning ad sources.
Facebook exposed 126 million Americans to Russia-linked pages
More than half of its US audience ran into the disinformation campaign.
Twitter bans Trump adviser Roger Stone for threatening CNN staff
It's one of the highest-profile suspensions to date.
Reddit's stricter stance on violence bans more racist communities
Its new policies on violent content have led to a crackdown.
DOJ demands Twitter account info following discussion of an agent
It's protecting an FBI agent by going after people who talked about him.
Instagram lets anyone invite a guest to their live broadcasts
Broadcasts can be better with a friend.
LinkedIn smart replies help you feign interest in business lunches
"Hello, I'd like to fake human interaction with you on LinkedIn."