A bipartisan group of Senators grilled tech companies today about how Russians used their platforms to interfere in the 2016 election, calling on them to better monitor abuse in the future. A subcommittee of the Senate Judiciary committee challenged top lawyers from Facebook, Google, and Twitter on the potential use of shell companies to hide advertiser identities, the malicious use of bot networks, and the limited capabilities of existing ad review policies. But despite the bipartisan appeal of criticizing the tech companies in public, it’s not clear what, if anything, will come of the critiques.

Facebook, Google, and Twitter sent top legal officials to Washington this week for a series of hearings about Russian interference in 2016…

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