"there are no immediate practical uses for this" Not too long ago I had to bang on some code that was running too slowly to be practical. Thanks to knowing st

"there are no immediate practical uses for this" Not too long ago I had to bang on some code that was running too slowly to be practical. Thanks to knowing stuff about algorithms and complexity I was able to knock it down from cubic time to just-over-linear time and reduced it from taking about 9.5 seconds of a 10 second response time to 'basically none' of a 0.5 second response time.