Crazy! Apparently if you take random surveys on SurveyMonkey (i.e. ones that you haven’t been guilt-tripped into completing for a friend trying to get his PhD), SurveyMonkey donate 50 cents to a charity of your choice and you go in the running to win $100. Read more about it here.
(If I was unemployed, I would totally whittle away time doing this. But as life would have it…)