<A target="_blank" href="http://tech.slashdot.org/story/11/04/15/1545213/Crowdsourcing-the-Censors-A-Contest?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Slashdot%2Fslashdot+%28Slashdot%29">Some people have used the anonymity of the internet to "scam" surveys and other opinion polls.</A> This contest is looking for ideas on an algorithm to prevent such abuses.