Cool sites from today

http://www.seobook.com/
"Seo Book is different. We focus our training program on how to grow your presence. Our tagline Learn. Rank. Dominate. matches our approach to teaching SEO. "

http://htmlpurifier.org/
"HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant, something only achievable with a comprehensive knowledge of W3C's specifications. "

http://drupal.org/project/render
"This module provides an easy, user-friendly administrative interface for quickly implementing rendering rules for various technologies depending on Cascading Style Sheets (CSS) and/or Javascript (JS) on any Drupal site without requiring any adjustments to the site's theme."