If Twitter is the brain of the social web — lots of chatter, commentary, and argument — then Facebook is the heart — a place for liking, sharing, and emotions. BuzzFeed analyzed a selection of top posts from the past week to find out what percent of their traffic came from Twitter and what percent came from Facebook. Above, our Brain/Heart Matrix for May 1 through May 7.
The Most Brainy Stories
These got the highest percentage of traffic from Twitter of the stories we looked at: