> The bottom line is when you use a service, that data is their data to send to whomever they want.

No.

That's all that really needs to be said about it but I'll add a couple of more lines here so no one thinks I'm lazy or posting a shallow dismissal:

- First, just because someone trusts you it doesn't mean you are free to abuse them. This should go without saying!

- Second: In Europe and I think California as well this is also illegal.