Ask HN: Advices on HuaaS Business models

In my opinion it's best time for HuaaS (Human as a Service) business model startups. Cloud computing makes it possible easily implement traditional business models online. With the help of internet we can do our marketing cheaper, faster; easier and faster payment; organize the whole business model online and then do the service; more and structured info about our service for costumers; and go global very easy. Best examples for HuaaS are:

- Airbnb

- Uber

- Amazon mechanical turk

- Exec.

- Cherry

What do you think about this business model? Do you have any new ideas? Advices on this business model? (e.x. Cherry)