Why I think Mongo is to Databases what Rails was to Frameworks // RailsTips by John Nunemaker
http://railstips.org/2009/12/18/why-i-think-mongo-is-to-databases-what-rails-was-to-frameworks

Below are 7 Mongo and MongoMapper related features that I have found to be really awesome while working on switching Harmony, a new website management system by my company, Ordered List, to Mongo from MySQL.

The more I work with Mongo the more I am coming around to this way of thinking. I tell no lie when I say that I now approach Mongo with the same kind of excitement I first felt using Rails. For some, that may be enough, but for others, you probably require more than a feeling to check out a new technology