Didn't Hillel Wayne write about how he made some software faster? His co-workers first thought it was a waste of time, but when they actually used it they didn'

Didn't Hillel Wayne write about how he made some software faster? His co-workers first thought it was a waste of time, but when they actually used it they didn't want to go back anymore. I think, the moral of that story was something like: When you make a software process faster by an order of magnitude, it lends itself for new use-cases.