How to opt-out as instructed on SSI Research's website:
We appreciate your participation in our research and we value your opinion. But if you do not want to participate in the future, we of course understand and respect your decision. To opt-out, please email us at firstname.lastname@example.org (please include the phone number in the body of the email.) To opt-out by telephone, please call 1-866-360-9563 from within North America or 1-801-379-4094 outside North America to be placed on our no-contact list. If you would like to speak to someone about the call you received, you may contact us toll-free within North America at 866-360-9678, or call 1-801-379-4094 outside North America.