Recode.net reports that the US Congress has just published all the political Facebook ads purchased by Russian groups accused of wanting to sow discord before and after the 2016 U.S. election.These are the ads that were purchased by the Internet Research Agency, a Kremlin-backed online troll farm, both before and after the 2016 U.S. presidential election. The House Intelligence Committee Democrats published downloadable files with more than 3,500 ads on their website on May 10, researchers can find all of them here.