[foobarbazetc]

You've just summed up why it'll never go anywhere apart from acquisition: $4.99/year/user is not enough to run any sort of business.

It's a very hard concept to scale, both business wise and tech wise.

[nvk]

I'm not incredibly familiar with their setup, but as a consumer i can say with confidence that is not a service that i would pay a cent more than 0.99/mo