She was 20 years old and in college when her mom sent me a copy of Taylor Swift's Fearless. Clearly something stuck with her because Times' News Design Director Tara McCarty spent the better part of 3 years tallying, counting and cross-referencing 99 of her songs and, in the process, created a database of 5,270 lines of her lyrics. And what did she learn? Well, for starters, the most used word is "know" — how fitting. Check out what else she knows.