So,why do we need your information?
We need your contact information so that we can get back to you with the information you are requesting. We will never-ever-ever sell your contact information... ever. Nor will we continue to call/email you after we have sent the information to you.
After we send you the information, we just delete the message that was sent tous (with your contact information on it)... that's it.
In fact, here are some helpful links to keep your information off of other junk lists: