http://msmvps.com/blogs/cmullins/archive/2007/07/08/a-question-in-search-of-a-volatile-answer.aspxSome sample code that shows that caching really does sometimes require volatile variables or locks. This example works in debug mode, and release mode under a debugger, but fails when run outside a debugger in release mode. Read More...enCommunityServer 2008.5 SP2 (Build: 40407.4157)