Simon Willison’s Weblog

19 Eponymous Laws Of Software Development. I normally loathe anything that’s bundled up as a numbered list, but this one is actually really useful.

Posted 18th July 2007 at 12:29 am

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V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

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