Last week was the World Economic Forum's Annual Meeting in Davos, Switzerland. It's a gathering of 3,000 leaders from various fields and countries. Top government officials to global business leaders to innovative nonprofit organizers attend this conference.
YouTube had a brilliant co-marketing campaign with the World Economic Forum. They created an area and a booth where people could answer the question, "What one thing do you think that companies, countries or individuals must do to make the world a better place in 2008."
Check out the answers from various world leaders:
TechCrunch has a review here.