[thebigjc]

Is there an equivalent or similar metric for non-subscription commerce sites? I operate one, and I'm struggling to find good references on the best way to determine I've 'lost' a customer.

[pospischil]

Im working on a service, currently in private beta, that I think you (and lots of others here on HN) would be interested in.

Shoot me an email and I'd love to tell you more about it: Pospischil at gmail