Simon Willison’s Weblog

24th July 2008 - Link Blog

Silverback has launched! Clearleft’s “guerilla usability” software for OS X Tiger and Leopard—specialist screencasting software optimised for conducting usability tests.

Posted 24th July 2008 at 6:14 pm

Recent articles

Anthropic's Project Glasswing - restricting Claude Mythos to security researchers - sounds necessary to me - 7th April 2026
The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026

This is a link post by Simon Willison, posted on 24th July 2008.

clearleft 1 screencasting 2 silverback 1 usability 98

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe