Digital advertising industry: Inside the brotherhood of Pi-hole ad blockers

Most ad blockers have to be installed on individual devices and work only in web browsers, but Pi-hole blocks ads across an entire network, including in most apps

Anyone who works in the $200 billion digital advertising industry should be scared of people like Mark Drobnak, because the ad blocker he uses is way more powerful than yours. The college freshman says it feels as though everyone at Rochester Institute of Technology, from his roommate to his professors, has installed some way to ward off online ads. Drobnak is one of the die-hards who goes further, working with a handful of comrades to build what they call “a black hole for advertisements.” His parents say the one he built them works great.
 
Pi-hole (as in “shut your…”)