Is your idea a winner?

They didn't give many concrete examples of adding value other than the advertising company, and Google.

But I think another example would be iTunes (no one else brings music to your ear as well). If that service went away, that would cause people pain.

I really like the way this article is short and to the point.

"The brother’s advice is to try and look for opportunities where you bring all the value."

Is it possible to have more info. on this one ?