##Realtime Analytics
http://www.mongodb.com/presentations/real-time-analytics-mongodb-webinar
http://blog.mongohq.com/first-steps-of-an-analytics-platform-with-mongodb/
http://rubayeet.wordpress.com/2013/12/29/web-analytics-using-mongodb-aggregation-framework/
http://docs.mongodb.org/ecosystem/use-cases/pre-aggregated-reports/
##It's Not Just About Big Data
http://www.youtube.com/watch?v=b1BZ9YFsd2o
##MapReduce
http://www.youtube.com/watch?v=WovfjprPD_I
http://www.youtube.com/watch?v=oJRQ8J-EDxk
http://docs.mongodb.org/manual/tutorial/map-reduce-examples/
http://docs.mongodb.org/manual/tutorial/perform-incremental-map-reduce/
###MapReduce on temporary reduced results
http://stackoverflow.com/questions/3837394/mongodb-map-reduce-over-multiple-collections
##schema design
http://de.slideshare.net/kbanker/mongodb-schema-design
http://docs.mongodb.org/manual/tutorial/model-tree-structures/
##denormalization https://github.com/dzello/mongoid_alize