Simon Willison’s Weblog

Kwalify (via) YAML gains a typically light-weight and elegant schema language. 10:50 am

Review: The Impact of Inequality (via) Fascinating. 11:02 am

objc_msgSend. Crazy hardcore optimization story. 11:09 am

Jeff Barr on Greasemonkey. Greasemonkey for “Enterprise Application Integration”. 11:55 am