Volkswagen, via ad agency DDB Stockholm, has become one of the few global brands to master the art of the viral ad campaign.

Its latest campaign, The Fun Theory, is based on the idea that people’s actions can be changed by something as simple as ‘fun’. Played out (and filmed) on an unsuspecting public, a set of subway stairs transformed into a walking piano and a ‘never-ending’ bin manage to dramatically change people’s typical behaviour for the better. And all of this with barely a reference to Volkswagen.

Entertaining, clever and subtle. Brilliant.

NB: many thanks to Anthill reader Doug Jacquier for bringing these to our attention.

World’s Deepest Bin

Piano Stairs

Bottle Arcade (in development – sneak preview)