"Initially, it was easy to dismiss this widget economy as a microcosm for another Web bubble. ... But in reality, analysts say widget makers are not only creating innovative, user-friendly products, they're also making a bunch of money--real money--from ads."
Let's see, 7000 applications for FaceBook, and over 100 are added each day? I'll just pull a number out of the air and say that only the top 100 or so are profitable to some interesting degree (and if I remember correctly, that's being generous.) Assuming all applications are equal, that's like a 1-in-70 chance of making money. And even if you do kick-off a hugely successful application inside of FaceBook, the goal is what? That you've got a great solution to users and can now spread to other solution areas? Or that you're just another reason for users to use FaceBook?
I must be missing it.