This one took a while to figure out. Especially, since as a tech-support person I did not have actual access to customer system. http://blog.outerthoughts.com/2004/10/perfect-multicast-stor...

This one took many many tries of various incantations and variations to discover (documentation was "less than useful") http://blog.outerthoughts.com/2011/01/bulk-processing-lotus-...

This one makes for a nice story when I talk about computer-specific language issues: http://blog.outerthoughts.com/2010/08/arabic-numerals-non-wy...