jqpublic writes "On Sunday, January 28th, 2007, Jim Gray, a renowned computer scientist, was reported missing at sea. As of Thursday, Feb. 1st, the US Coast Guard has called off the search, having found no trace of the boat or any of its emergency equipment. Through the generous efforts of his friends, family, various communities and agencies, detailed NASA aircraft imagery has been made available for his last known whereabouts. A site set up by Amazon allows you to search image tiles — there is a lot of imagery to search. This site enables thousands of people to help with the search. If you are interested in helping, please go to the website and sign up for an Amazon Mechanical Turk account (it does not cost anything)."