Facebook doesn't have to listen to us for that to be happening though. Purina Dog Chow purchases "Qualified Leads" from marketers who have lists of people inte

Facebook doesn't have to listen to us for that to be happening though. Purina Dog Chow purchases "Qualified Leads" from marketers who have lists of people interested in Dog Food. We have no idea where they get those lists. If you play Candy Crush, and that third party app has Microphone access it could be collecting the data, and selling it to marketing agencies, which then sell the qualified leads to Purina dog chow. You are still being listened to and your information sold. It just happens on Facebook more than it being Facebook's fault directly.