Both fans of Justin Bieber and football team Manchester United share a little something in common — each has the most active and engaged Facebook fan base, according to a study by FanGager: 2.6 percent of Manchester United's fan base of 9,915,504 is active, and of Bieber's 20,379,964 fans, 1.8 percent are active. Curious as to what these folks are saying, I decided to take a look. Surprisingly I found that the Bieber fan base isn't that much different from Manchester United's — read: total fandom! Think you can tell the difference?
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