Did you give love to Russian Trolls? Facebook will tell you.

Facebook announced a help-center tool to let users determine if they liked or followed Facebook Pages or Instagram accounts linked to the Internet Research Agency, a Russian troll organization implicated in large-scale disinformation around the 2016 US election. The article notes Facebook's estimates that millions—potentially up to 126 million people—may have viewed posts created by Russian actors, and describes the company's ongoing efforts to disclose linked ads and share information with investigators.