See also, pants and buck. I think it's a story of PostgreSQL vs Mongo - do you start out with conservative correctness and slowly expand your feature set, or

See also, pants and buck. I think it's a story of PostgreSQL vs Mongo - do you start out with conservative correctness and slowly expand your feature set, or do you advertise a lot of (poorly imolemented) features, and with the large userbase slowly increase your quality.