I was thinking the same thing (and doing the same math) when reading about an iPhone app directory recently getting $2M in funding. Is it that I just have no i

I was thinking the same thing (and doing the same math) when reading about an iPhone app directory recently getting $2M in funding. Is it that I just have no idea how much this kind of things can be worth in the end? Or, as you say, is there more to it and if so, what?