Arrington's comment several pages down is worth reading and considering:
> Jason, you don't address the fact that it takes two parties to transact. Simply charging for a piece of software doesn't bring in revenue. Someone has to actually pay for it.
I guess this is easy to overlook if you're 37signals...
37signals is in the enviable position of creating fantastic products that require almost zero network effects to realize its efficacy. I think this is a fantastic model to emulate, and allows them to comfortably 'flee free'. But you do need to innovate an order of magnitude to be able to charge for things :)...
> Jason, you don't address the fact that it takes two parties to transact. Simply charging for a piece of software doesn't bring in revenue. Someone has to actually pay for it.
I guess this is easy to overlook if you're 37signals...