Taylor Swift's Influence and Limits of Her Power

Last time she released a new album, more than two million copies were sold or downloaded in the first week.

But can Taylor Swift beat that number again with the much anticipated release of her 12th album ‘The Life of a Showgirl’? 

And what is it that has made her one of the most successful artists of all time? 

Today, Harvard University professor Stephanie Burt, on why studying Swiftmania is a very worthy topic. 

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Stephanie Burt, Professor of English at Harvard University