Flexible Event Logging - Analyzing Funnels, Retention and Viral Spread with MongoDB

his presentation is by Paul Gebheim from Justin.tv. In the presentation Paul discusses how MongoDB helped answer create:

A general framework for create, deploying and analyzing A/B tests in terms of Funnels, Virality and Retention

In addition, the solution should be flexible, queryable, scalable and easy to work with. So how do you do it? With Python, Map/Reduce and MongoDB. Paul walks through the use cases and shows how justin.tv uses this recipe to create the framework.