"R. Kelly Garrett randomly surveyed 600 Americans about their online habits, and whether they'd heard—and believed—a number of widespread rumors. He found that the Web does expose us to more rumors. But the Web also delivers more rebuttals,...
(Technically true, but most can't/won't find them)
"E-mail’s more insidious. Because you’re more likely to believe that rumor forwarded by cousin Rob. And the more you believe something, Garrett says, the more you want to share it with your social network."[This is a revision of my article from 8/29/2011 about email as a viral disinformation carrier at that time, before Facebook and Twitter increased the problem by an order of magnitude; lies such as that Obama was born outside the U.S. - which Donald Trump loudly proclaimed until it made him part of the political conversation]
[see below for source, c2011]