How to Make a Viral Video: HBO Asks YouTube Users to Promote “Flight of the Conchords”

Viral videos–you-gotta-see-this clips Web surfers pass along to each other without any prompting–are every marketer’s dream. Here’s HBO’s clever attempt to create one: Use an existing video that’s already popular on YouTube and try to piggyback off that to promote its excellent “Flight Of The Conchords” show.