Asynchronous architectures with the CouchDB _changes feed

O'Reilly is offering another free webcast today at 10am PST.

Learn how to build robust web services using CouchDB's built-in facility for near-realtime updates. We'll explore a few patterns _changes can be used for:

• Building custom external indexers like CouchDB-Lucene
• Powering CouchDB's replication
• Real-time chat applications
• Back-end application logic and multi-document validations (docs as state machines)

More information: Asynchronous architectures with the CouchDB _changes feed