Noted: “I think those politicians always got some degree of backlash in the form of angry letters or even hateful letters, but the bar is a lot lower with social media — you can just post it up there,” said Chris Wells, a University of Wisconsin-Madison professor who studies the intersection of politics and social media. “The thing that makes it kind of complicated is politicians need to be in those social media spaces because that’s where so much of the tenor of the campaign takes place.”