Neo4j comes with enhanced connectivity of data and whiteboard friendly paradigm. It also brings a gremlin in your code : one of the supported graph query language brings a refreshing look at how one can search for data in a vast and interconnect web of data. Gremlin provides an abstract layer that make it easy to express your business logic without fighting with the code. It may even change your mind on object oriented programming.
Clipping is a handy way to collect important slides you want to go back to later.