Efforts by the various companies so far have not seemed to have done much, said Clifford Lampe, a University of Michigan School of Information professor the spread of disinformation on social networks.
"I don't think they are doing any harm, I just don't think they are trying to do any particular thing to help" stop misinformation, he said.
All of those companies have been in some form of contact about their efforts with lawmakers like Schatz.
"Although the letters they wrote me are fine, we don't have any evidence of implementation yet," he said. "So it's a decent first step, but we have a long way to go."
(c)2019 CQ-Roll Call, Inc., All Rights Reserved
Visit CQ Roll Call at www.rollcall.com
Distributed by Tribune Content Agency, LLC.