The link of the day is about a talk from the Flickr guys on Scaling Fast and Cheap - How We Built Flickr over at ETech 2006, whose outline you can find over at Vogon Poetry
Pretty useful stuff, in the same line of thought as in About Bootstraping :

• use Linux, MySQL
• keep it simple
• Control Version everything
• use bugtacking software
• scalability implies more servers, not more powerful ones(horizontal scaling)