all fair points. and your product seems to be designed/documented/marketed with the notion of keeping the username (which is part of the ENVKEY) secret, so agre

all fair points. and your product seems to be designed/documented/marketed with the notion of keeping the username (which is part of the ENVKEY) secret, so agreed that "security-by-obscurity" is unfair (coupled w/ massive ID space). your product is very well designed, seems like a tremendous customer experience. best of luck; i hope you continue to grow