[laujen]

I think what he is saying is that the agreement with Apple says we can't form legal agreements that include Apple's SDK and APIs, which in app purchase is apart of. This could or could not be covered under those mechanisms.

You might be right. The way Lodsys is going after us is for the button (or something) that connects to the mechanism that performs the in app purchase. Either way, as everyone else here has pointed out, it really is a sticky widget.