Simon Willison’s Weblog

5th July 2007

There are only two hard things in Computer Science: cache invalidation and naming things

— Phil Karlton

Posted 5th July 2007 at 12:46 am

Recent articles

My fireside chat about agentic engineering at the Pragmatic Summit - 14th March 2026
Perhaps not Boring Technology after all - 9th March 2026
Can coding agents relicense open source through a “clean room” implementation of code? - 5th March 2026

This is a quotation collected by Simon Willison, posted on 5th July 2007.

caching 49 computer-science 14 naming-things 4 phil-karlton 1 tim-bray 55