Take this ad from Adidas' "Impossible is Nothing" campaign as an example. Sure, the bus is plastered with the campaign's regular ads -- but check out the guy who's actually dragging the bus.
Now that's what I call walking the talk.
Implications - Taking advertising to the streets is a reaction to increasing protests around the world. More and more, people are occupying public space and re-appropriating traditional environments for alternative purposes -- whether it be for revolutions or for products. This trend translates into the fusion of performance art, advertising and retail in order to catch the attention of a large segment of potential consumers.