Hacker News Reader

> "the title nor the github account are up front about is that this is an ad/privacy blocker that comes with a rather large blacklist"

This has been there for two months:

"Thanks to these preset blacklists maintained by good spirited people, nothing from these locations could make it to the browser"

The slide is a bit dated though, as you can graylist or whitelist a preset blacklist entry, which was not possible back then.