Taylor Swift's songs have explored a variety of situations and emotions, and now she takes on when people are  mean.

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TAYLOR SWIFT: Don't Be Mean

Taylor Swift is notorious for writing about her relationships with boys, but in her new single "Mean," she tackles a different kind of relationship -- the one with her critics. She says, "I get it that not everyone is going to like everything that you do ... There's professional criticism and then there's just being mean."