New to me also. Their FAQ gives some clues to what they're doing. https://www.privacywall.org/faq.html https://www.privacywall.org/faq.html Not sure who is pro

New to me also. Their FAQ gives some clues to what they're doing. https://www.privacywall.org/faq.html https://www.privacywall.org/faq.html Not sure who is providing their results but I would assume Bing. Their Google Play app has 10K installs so it appears people are using it. Not much chatter about them on the web.