> The problem is that it will never be enough. Eh, it will never be enough for 100% of the users, sure -- there will always be some percentage of pure leeches.

> The problem is that it will never be enough. Eh, it will never be enough for 100% of the users, sure -- there will always be some percentage of pure leeches. But this guy seems pretty reasonable. Enough for him seems like a good threshold for generating revenue from your userbase.