I am in the process of figuring out what business plan would be most appropriate for my online service. Essentially, the questions I'm asking myself are:
The examples I found where Facebook and Gmail. Facebook collects information about the social graph of their users which helps them deliver targeted advertising. Gmail collects information about the conversational content of their users to also deliver targeted advertising.
Are there other examples out there?
There are a wide range of examples.
There are potentially a lot of ways of monitizing socail interaction