I am in Las Vegas for NCAS show so postings are sparse but a friend just sent me a link to an article about how ABC is trying to get people excited about their new V remake show by doing skywriting over New York landmarks. As it refers to this large scale stunt, the article cannot help but mention the ATHF in terms of how pushing the limits of marketing in a can generate attention, with sometimes unexpected results. ATHF was also brought up in a story the other day relating to the whole balloon boy incident as well as now that has made it on the list of great 'hoaxes.'
I guess it will always be referred to when people challenge the marketing norms in public spaces. Even though sky writing and a home brewed publicity stunt with a dirigible do not seem that similar to me, they both relate to those looking to crack the art of getting people's attention.

