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Senators strongly pushed employees from Google, Twitter and Facebook on their ability to prevent foreign manipulation of technology platforms to undermine American democracy at the first of three hearings featuring the companies.
What you need to know: The companies committed to improving transparency obligations and putting the necessary human capital toward preventing foreign meddling from happening again. Senators from both sides of the aisle expressed skepticism that they'd be able pull that off.
"My goal is for you to think through this stuff a little bit better," said Sen. Al Franken in a tense back-and-forth with Facebook General Counsel Colin Stretch.
The bottom line: It's clear that lawmakers have real concerns about the massive influence of all three companies that goes well beyond Russian election meddling.
The hearing is ongoing, and Axios' David McCabe is in the room and keeping you updated here.
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