Conversation so far:
What is special about Taylor Swift's songwriting?
Swift uses her life experiences as an inspiration in her work.
What sort of life experiences does she write about?
Swift frequently criticizes ex-boyfriends.
Does she have a routine with songwriting?
According to The Village Voice, she uses third-verse point of view reversals frequently.
Why does she use third-verse point of view reversals?
Rolling Stone describes Swift as "a songwriting savant with an intuitive gift for verse-chorus-bridge architecture".
Has her songwriting style from country to pop changed?
CANNOTANSWER.
Are there any other interesting aspects about this article?
The Guardian has praised Swift for writing about teenage years "with a kind of wistful, sepia-toned nostalgia.
Has Swift spoken of any other influences for her lyrics?
Swift often addresses the "anonymous crushes of her high school years" and celebrities.
Has she revealed the identity of any of the crushes?
Swift tries not to talk about song subjects specifically "because these are real people.
Where else has she found inspiration?
The singer herself has said that not all her songs are factual and that they are sometimes based on observations.

Question: What kind of observations?
Self-contained rewrite: What kind of observations does Taylor Swift base her songs on?