Simon Willison’s Weblog

Items tagged captcha in 2009

Filters: Year: 2009 × captcha ×

moot wins, Time Inc. loses. The poll hack was more sophisticated than I first thought... Time implemented reCAPTCHA half way through the voting period, but the 4chan community fought back with a custom interface that crowdsourced the job of voting and let individuals submit up to 30 votes a minute. # 29th April 2009, 11:13 am

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. # 25th January 2009, 12 am