Facebook is still facing heat over its privacy controls in the wake of the Cambridge Analytica scandal, and its trying to reassure users that their personal info isnt on the open market. The social network has posted a detailed Q&A explaining just what advertisers know about you — and importantly, what they dont. It stressed that it doesnt personally identify you, and that its only selling space for ads in the same way a TV network might, not the data itself. Marketers ge…Read more