I spent sometime playing around with neo4j and mongodb - while mongodb was fun, it wasn't as interesting as neo4j to me, I'd like to learn more about graph DBs. Before spending more time on it, I've a few questions:
1. What are some examples of real world usage of graph DB (other than social networking)?
1. What are some examples of real world usage of graph DB (other than social networking)?
2. Which is a good graph DB to learn?
3. Is there enough demand for graph db skillset?