[pbiggar]

Breakup Notifier was stalker-ish - not guaranteed to get cut off, but certainly a risk. I wouldn't bet $5m on that, definitely.

In general, we're young in the space of companies that rely on APIs and other companies (App Store much?). Zynga has made a pile of cash relying on facebook, and plenty more will too, and that's just the way the world is from now on.

As for the whim of some individual, you are absolutely right. But that will sort itself out in the next few years, and it doesn't seem like a good reason not to get in early on what is obviously a trend that's here to stay.