For every person who installs an ad blocker an anti-ad blocking start-up mushrooms. Taking advantage of such companies, Netflix decided to exclusively spook users who use ad blockers with scenes from its original drama Black Mirror .
The ad, which reads: ‘Hello ad blocker user. You cannot see the ad but the ad can see you. What’s on the other side of your black mirror?’, is an innovative way to contain ad blockers. This way, they don't lose out on revenue or viewers.
Read this Mashable article for details.