Anyone can use Facebook to boost a message. Even Russian agents.

There's no longer any question at all: Russians meddled in the 2016 U.S. election, and they relied on social media tools we can all use. Facebook and its photo-sharing site, Instagram, are mentioned dozens of times in the indictment handed down Friday by special counsel Robert Mueller. Twitter, YouTube, and PayPal are also mentioned at various points.  SEE ALSO: The 9 craziest things from latest Mueller indictment against Russian trolls Mueller, for those catching up, was appointed by the Justi...