Thanks for all the helpful guidance. I'll work on getting the JSON implementation updated before releasing it. I don't know if it's of interest but the Twitter firehose (as deliverd by Gnip) is line oriented JSON. Each line is a tweet and all its metadata. This format is handy for doing things like counting the number of records with a 'wc -l' instead of having to parse the JSON...which can be expensive when there can be 10M an hour. //EdReceived on Fri Dec 02 2011 - 04:05:00 EST