1. 33across. {n. d.}. ATTENTION PLATFORM FOR ADVERTISERS. 33across. https://33across.com/attention-platform/. 33across. {n. d.}. ATTENTION PLATFORM FOR ADVERTISERS. 33across. https://33across.com/attention-platform/.
2. The Web Never Forgets
3. Adblock Plus 2014. WebSocket connections can't be blocked. AdBlock Plus Issue Tracker. https://issues.adblockplus.org/ticket/1727. Adblock Plus 2014. WebSocket connections can't be blocked. AdBlock Plus Issue Tracker. https://issues.adblockplus.org/ticket/1727.
4. AdChoices 2017. Put the YourAdChoices Icon to Work for You. Digital Advertising Alliance. http://youradchoices.com/learn. AdChoices 2017. Put the YourAdChoices Icon to Work for You. Digital Advertising Alliance. http://youradchoices.com/learn.