Simon Willison’s Weblog

SXSW: Web App Autopsy. Conversion rates and revenue per customer for RegOnline, FeedBurner, Wufoo, and Blinksale.

Posted 13th March 2007 at 12:39 am

Recent articles

GPT-4.1: Three new million token input models from OpenAI, including their cheapest model yet - 14th April 2025
CaMeL offers a promising new direction for mitigating prompt injection attacks - 11th April 2025
Model Context Protocol has prompt injection security problems - 9th April 2025