Yak Shaving Razor #39 (from the Evangelical Outpost)

Joe Carter has the latest collection of Yak Shaving Razors up at Evangelical Outpost. In case you didn't know, a Yak Shaviing Razor is
Any seemingly pointless activity which is actually necessary to solve a problem which solves a problem which, several levels of recursion later, solves the real problem you're working on.
Basically, YSRs are ways of solving common problems using tools that were developed form other purposes.