I don't know -- I think a major portion of the experience is the feeling you get from the donation rather than the experience of seeing an objective indicator of your cause improving. Who the heck cares if Charity CEO A owns a Leer and parties with Paris Hilton every weekend if his charity has triple the ROI on donations as compared to Charity CEO B. (Not hard at all to imagine, incidentally -- private companies have that sort of difference in competence all the time.)