Thanks for the comment > Starting with an addressable market of 1.5 billion is not a bad thing. (On the other hand, that means ignoring, what, 3 billion adult

Thanks for the comment > Starting with an addressable market of 1.5 billion is not a bad thing. (On the other hand, that means ignoring, what, 3 billion adults? But of course you're right, it's unfeasible to cover every available form of payment)