This document discusses viral marketing and provides examples. It defines viral marketing as advertising or marketing techniques that spread like a virus from person to person. Examples given include games, videos, images, and software. Warner Bros.' viral campaign for The Dark Knight is discussed, which utilized the "Why So Serious?" tagline but had to change focus after Heath Ledger's death. Cloverfield and Dexter are discussed as viral marketing examples, with Cloverfield using cryptic TV clips and Dexter sparking controversy with unsolicited text messages. The document also discusses R3WiND Media's use of YouTube, Facebook, blogs, and social media for viral marketing. Options discussed to gain further feedback include Twitter, podcasts,