The Russians are really good at internet marketing. That will be one takeaway from today’s Congressional testimony during which big tech firms will describe the reach of Russia’s disinformation efforts. “At Facebook, roughly 126 million users in the United States may have seen posts, stories or other content created by Russian government-backed trolls around Election Day.” Maybe we should be worried that any single media source can be used to easily round up 252 eyeballs to see any kind of message.

+ Here’s the latest on the testimony.