Does anyone have a link to the talk something along the lines of ~'the power of stupid ideas' -- the beginning was about this shop that petitioned the London bu

Does anyone have a link to the talk something along the lines of ~'the power of stupid ideas' -- the beginning was about this shop that petitioned the London bus authority to move the bus stop closer to this shop to create a virtual wall. I only saw half of it and I'd like to see the other half.