Nicely done, though it's more focused on launching a "web service/business"...yes, it's a business that consists of a web application, but the term in the title makes me think of it being a technical guide.

One of the things that would be useful, for technical and non-technical founders, is a nitty-gritty checklist of all the things you have to think about when launching a web app. Everything from deciding on the framework, the database, the schema, to having a favicon, og-meta tags, non-Javascript degradability, and setting up Google Analytics and Webmaster.