Wikinomics » Blog Archive » 50,000 Estonians clean up their country in one day
http://www.wikinomics.com/blog/index.php/2008/05/28/50000-estonians-clean-up-their-country-in-one-day
"It is not really about the rubbish. It is about changing people’s mind sets. Next year it might be something else."