[kristianc]

I mean, that argument could be used for any kind of data exhaust at all - data mining still has a massively negative reputation, particularly on HN.

[rapnie]

Ah. Yes, sure, I very much share that opinion. Its done everywhere nevertheless.

I don't know the people at YC (other than dang from his comments.. a great mod) and their moral/ethical stance. But they are in the business of trying to raise unicorns though, with potential multi-billion valuation.