"Also, what if I don't want 2nd or 3rd degree connections to know my extended profile information. Is there anyway to tell LinkedIn to not provide this data to

"Also, what if I don't want 2nd or 3rd degree connections to know my extended profile information. Is there anyway to tell LinkedIn to not provide this data to 3rd parties?" Not everyone uses linkedin because they want to do business development. If anything, I find that the service is counterproductive. My info is there merely so that business acquaintances can contact me without having to give my real email address.