One way to make a commercial go viral is by including humor, as seen in these self-referencing viral ads. Trend Hunter President Shelby Walsh discusses examples of the coolest meta advertising online that has gone viral, from butt wipes and bald eagles to the wonderful world of pistachios.
One of these viral ads makes several bathroom humor puns, which tend to be very popular on the internet. Another features Stephen Colbert in a preview to his Wonderful Pistachios Super Bowl ad. Having celebrities star in the commercials appears to be a key element as Neil Patrick Harris runs into issues with compliance when he can't be shown drinking a Heineken beer on screen. Meanwhile Honda picks apart the Gen Y generalizations with their stereotype-busting auto ads.