https://www.reuters.com/article/us-usa-social-media-congress/facebook-google-twitter-ceos-will-testify-about-misinformation-before-u-s-congress-idUSKBN2AI2WK >The chief executives of Facebook Inc, Alphabet Inc and Twitter will testify before a U.S. House panel on March 25 on "misinformation and disinformation plaguing online platforms."