Swift is known for being a smart businesswoman amongst all her talent. Between her strict ticket-selling protocol and the fact that her legs are insured for millions of dollars, she knows what she's doing with her money. After her "1989" album came out, she got phrases including "This sick beat," "Party like it's 1989" and "'Cause we never go out of style" trademarked to give her sole merchandising rights with them. Why these specific lyrics? Who can really know?