Twitter's Carlos Monje said at a Wednesday hearing that the company is trying to "identify and inform individually the users who have been exposed to [Russian troll farm] accounts during the election," per Recode's Tony Romm.

Why it matters: Facebook has already done the same thing. Twitter has been under pressure over a lackluster response to Capitol Hill questions about the Russian campaign during the 2016 election.

The big question: Will Twitter, like Facebook, just notify users who saw ads associated with the Internet Research Agency Troll farm, or will it also notify people who saw their tweets organically?