We use it so often... An appeal http://wikimediafoundation.org/wiki/Donate/Letter/en?utm_source=2008_jimmy_letter_r&utm_medium=sitenotice&utm_campaign=fundraiser2008#appeal \Also reveals its funding sources. if you follow it s links. http://wikimediafoundation.org/wiki/Donate/Questions/en#How_is_the_Wikimedia_Foundation_funded.3F Benefactors http://wikimediafoundation.org/wiki/Benefactors