CEOs of Facebook, Twitter, Google face new grilling by Congress

As malicious conspiracy theories continue to spread, lawmakers are pounding the social media companies over their market dominance, harvesting of user data and practices that some believe actually encourage the spread of engaging but potentially harmful misinformation.

Trump's false claims of voting fraud thrive online

President Donald Trump and his supporters are pointing to debunked claims on social media as a reason to not accept that Democrat Joe Biden won the election. Tweets and retweets with terms such as "steal," "fraud," "rigged" and "dead" referring to the election spiked more than 2,800% from Nov. 2 to Nov. 6.