Just started reading Akio Morita's Made in Japan. It's the story of how Akio rose from the World War 2 hit Japan and became the chairman of Sony, one of the coolest companies around.
Found this algorithm to get rid of Spam, via /. It uses AI like principles, probability and weights to filter out bad emails. But have doubts about how well the Bayersian Method would work - should try implementing the it sometime. Personally, I think spam is fun. For example, I got this one today: