I suppose that this mix of providing free samples on the underground and on the web together with selling books is a great example of Chris Anderson’s theories regarding how to give things away in order to make money.
The series “Science Poems on the Underground” celebrates 350 years of the Royal Society. They have a really clever way of integrating scientific papers into modern media.
Planning a conference on innovation and sustainability, I might just look for inspiration here... Perhaps a competition on innovation poetry rather than business plans?