She works for an 'advertising agency' [=('chiefly US') 'ad agency'] in New York.
They are 'advertising' the new edition of the book.
These is a lot of 'advertising' in that magazine.
(..) Wait for it. Nice! I got in touch with a guy who puts flash mobs together. We're thinking about using them for guerrilla advertising. Taking something so pure and commercializing it? Knew I found the right guy. - Here I am. - Okay. Here's your contract. (..)2011 Friends with Benefits