Looking To Spammers To Solve Hard AI Problems

An anonymous reader writes "With bots getting closer to beating text-based CAPTCHAs for good, New Scientist points out that when they do, OCR technology will at least have advanced. The article goes on to suggest that whatever kind of reverse Turing Test that comes next should be chosen to motivate spammers to solve other pressing AI problems, such as image recognition. Are there any other problems that criminal crowdsourcing could help with?"