Certainly more thoroughly than the Path guys.
 A zuck: someone who, due to a combination of ignorance and malice, is dismissive of others' efforts to improve their security and protect their privacy.
Awww... The little guy was doing his best. Oh, wait. You're not talking about a puppy? but the customer-facing front of a company?
"Do you store my contacts" .. "no." "Ok, uh, I don't like your tone. Please respond to this new issue."
I don't think this person understands that he doesn't actually have a complaint with foursquare.