I am wondering whether Facebook ONLY connection is part of the business model. Do it allow Karma to share your internet usage data more easily with Facebook? An

I am wondering whether Facebook ONLY connection is part of the business model. Do it allow Karma to share your internet usage data more easily with Facebook? And monetize those data (like the list of website you browse)? I didn't find anything related in the "Terms of Service". Anyway, a private vpn could do the trick I guess. But then such set-up would prohibits me from dropping my ISP at home and rely only on karma...