I'll be giving a rapid introduction to NoSQL databases: where they came from, the nature of the data models they use, and the different way you have to think about consistency. From this I'll outline what kinds of circumstances you should consider using them, why they will not make relational databases obsolete, and the important consequence of polyglot persistence.
Level: Beginners
Martin Fowler is an author, speaker, consultant and general loud-mouth on software development.
He concentrates on designing enterprise software - looking at what makes a good design and what practices are needed to come up with good design. He has pioneered various topics around object-oriented technology and agile methods, and written several books including "NoSQL Distilled", "Refactoring", "UML Distilled", and "Patterns of Enterprise Application Architecture".
For the last decade he has worked at ThoughtWorks, a really rather good system delivery and consulting firm, and he writes on his site Martin Fowler.
Twitter:@martinfowler
Books: NoSQL Distilled, Domain-Specific Languages (Addison-Wesley Signature Series (Fowler))
Video presentations: Three Years of Real-World Ruby, Agilists and Architects: Allies not Adversaries Presentation
See the entire list of Martin's video presentations here.