Internet giants were expected to tell Congress this week that Russian-backed content aimed at manipulating U.S. politics during last year's election was more extensive than first thought. Facebook, Google and Twitter were slated to share what they have learned so far from digging into possible connections between Russian entities and posts, ads, and even videos shared on YouTube. Facebook will tell Congress that some 126 million U.S. users, a potentially large portion of the voting public here, may have seen stories, posts or other content from Russian sources, according to tech news site Recode, the Wall Street Journal and other U.S. media. The reach is far broader than had originally been estimated by the world's leading social network. Facebook did not respond to AFP requests for comment. Google found that two accounts linked to the Internet Research Agency spent $4,700 on search and display ads during last year's U.S. election cycle, Google general counsel Kent Walker and director … [Read more...] about Internet giants find more Russia-linked election meddling