You can thank AARP for most of the different robo calls, spam emails and junk postal mail you receive. AARP is known for selling members information. I never received any of those things until a family member bought me a subscription to AARP for a birthday gift. It didn't take long before my postal mail (advertisements) began. Next was the Robo calls.
I receive approximately 10 calls a day from companies trying to sell me something.