There's an online conference dedicated to MongoDB version 2.2 tomorrow from 1pm-3pm ET. Definitely worth checking out.
Agenda:
Introducing 2.2 - Dwight Merriman, CEO & Co-Founder, 10gen
The Aggregation Framework - Edouard Servan-Schreiber, Director of Solutions Architecture, 10gen
Concurrency - Dwight Merriman, CEO & Co-Founder, 10gen
Data Center Awareness - Eliot Horowitz, CTO & Co-Founder, 10gen
TTL Collections and Other Cool New Features - Andrew Erlichson, VP of Education, 10gen
Closing Remarks and Q&A
Agenda: Introducing 2.2 - Dwight Merriman, CEO & Co-Founder, 10gen The Aggregation Framework - Edouard Servan-Schreiber, Director of Solutions Architecture, 10gen Concurrency - Dwight Merriman, CEO & Co-Founder, 10gen Data Center Awareness - Eliot Horowitz, CTO & Co-Founder, 10gen TTL Collections and Other Cool New Features - Andrew Erlichson, VP of Education, 10gen Closing Remarks and Q&A