Part of the problem is that previously they were a value add as part of a service provider. There was no intent to generate revenue from it because the revenue

Part of the problem is that previously they were a value add as part of a service provider. There was no intent to generate revenue from it because the revenue came from the provider's operations. If I'm building a chat client now, though, I've got to find a revenue path. You need the walled garden so that you get lock-in and can find a revenue model from it.