MapR offers Hadoop tutorials and training materials for everyone interested in Hadoop.
If you are a Hadoop Administrator, Developer, or Business User, The MapR Academy is your source for videos and documentation to help you get the most out of your Hadoop investment.
For the Hadoop Business User
A discussion of positive indicators for Hadoop use.
How to use Hadoop to catch small frauds (and prevent big ones) after card
Managing Hadoop applications, including MapReduce and HBase,and data using.
An introduction to Hadoop and a discussion of the problems MapReduce solves,