Creating More Using Less Effort with Ruby on Rails
http://www.alistapart.com/articles/creatingmoreusinglesseffortwithrubyonrails

Slater, Michael
List Apart, A
2008

Abstract:

The “why” of Ruby on Rails comes down to productivity, says Michael Slater. Web applications that share three characteristics—they’re database-driven, they’re new, and they have needs not well met by a typical CMS—can be built much more quickly with Ruby on Rails than with PHP, .NET, or Java, once the investment required to learn Rails has been made. Does your web app fall within the RoR “sweet spot?”