> I could easily describe other scenarios which favored S3, MongoDB, CouchDB, or offline Hadoop/Hive queries of S3 buckets. And that's just the systems I've use

> I could easily describe other scenarios which favored S3, MongoDB, CouchDB, or offline Hadoop/Hive queries of S3 buckets. And that's just the systems I've used. We need much better NoSQL comparisons, ... Please do - that would be VERY useful. kb