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

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

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

caching 49 computer-science 15 naming-things 4 phil-karlton 1 tim-bray 55