http://blogs.rivetlogic.com/rdanner/2008/10/24/keep-it-lite-part-i-layer-your-platform-for-development-agility-performance-and-lower-development-costs/?utm_source=rss&utm_medium=rss&utm_campaign=keep-it-lite-part-i-layer-your-platform-for-development-agility-performance-and-lower-development-costs From the artisans of open source hourly 1 http://wordpress.org/?v=3.5.1