Simon Willison’s Weblog

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Sunday, 25th January 2009

OCR and Neural Nets in JavaScript. John dissects the brilliant Greasemonkey script that solves simple captchas using the canvas element and HTML5’s getImageData API.

# 12 am / canvas, captcha, getimagedata, greasemonkey, javascript, john-resig, ocr

Tagging is like a salt water fish that lots of people thought was pretty and started trying to stick in fresh water tanks. I don’t think it thrives everywhere people have tried to stick it and not everyone who’s tried to clone tagging has gotten all the important parts right.

Les Orchard

# 10:29 am / analogy, les-orchard, tagging