article_snippet.sent: But now a team of researchers has studied millions of such online posts to identify common traits among these users.
article_snippet.sent: Experts studied 40 million posts by 1.7 millions users on news site CNN.com, political news site Breitbart.com and gaming site IGN.com.  
article_snippet.sent: a team of researchers examined three large online forums including general news site CNN.com, Breitbart.com, a political news site, and computer gaming site IGN.com.
article_snippet.sent: Over an 18-month period, a team of researchers studied the content and deletion rates of 40 million posts and 100 million votes posted by 1.7 million users across these sites.
article_snippet.sent: From this data a team of researchers were able to divide users into two groups.
article_snippet.sent: Once these users were split up the researchers looked at four features to identify common traits among the FBUs and NBUs.
article_snippet.sent: the researchers compared the average text similarity of a user's post with the previous three posts in the same thread. '
article_snippet.sent: Previous research found that post frequency was a signal of low quality discussions.
highlights_snippet.sent: Researchers studied 40 million posts made by 1.7 million web users .
  