I competed then coached the ACM contest at my last university. Out of the really solid competitors I worked with, one is a pretty well-respected Microsoft MVP, consultant, speaker and author. Another founded an open-source company and regularly appeared on tech news sites a couple years ago. I've lost track of a couple others, which tells me that they're probably stuck in line-of-business app hell ("COBOL programs" in the article).<p>Before Top Coder, to me the most famous ACM competitor was Ian Goldberg, who has done some noteworthy things in his career: <a href="http://en.wikipedia.org/wiki/Ian_Goldberg" rel="nofollow">http://en.wikipedia.org/wiki/Ian_Goldberg</a><p>Programming contests are a fun diversion and a tool to sharpen your skills.