While my employer has afforded me an opportunity to explore NoSQL, one of my largest concerns about pursuing mongo db (the M in MEAN) is how to handle complex data. This is a more pronounced issue if your goal is to make a SAAS solution.
Doing some work in AWS I did see a possible approach and a further Google search found this gem...https://highlyscalable.wordpress.com/2012/03/01/nosql-data-modeling-techniques/
