Lawsuits in California federal and state court are unearthing documents embarrassing to tech companies — and may be a tipping point into federal regulation. TikTok and Snap reached settlements in the case while Meta and Google are continuing as defendants.

Research shows that sideshow posts can attract hundreds of people in a matter of minutes. We are asking social media platforms to work with our police department to suspend the accounts of people who post content promoting these events.

President Biden signed a law banning nearly 4 million federal employees from having TikTok on their government phones, over national security concerns. This week, New Jersey and Ohio joined at least 20 other states in restricting access to TikTok, amid fears that the Chinese government could use the app to spy on Americans. Will California jump on the TikTok ban bandwagon?

Explosive anger was a top contender for emotion of the year in 2021. A month-by-month look at some of the stories.