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The BuzzFeed Brain/Heart Matrix

Find out which stories blew up on Twitter (the brain of the internet) and Facebook (the heart).

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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:


And The Most Heartfelt

These stories got the highest percentage of their traffic from Facebook: