"Google will introduce an ad blocker to Chrome early next year and is telling publishers to get ready.Google plans to clean up the web with Chrome ad blocker next year - The Verge
The warning is meant to let websites assess their ads and strip any particularly disruptive ones from their pages. That’s because Chrome’s ad blocker won’t block all ads from the web. Instead, it’ll only block ads on pages that are determined to have too many annoying or intrusive advertisements, like videos that autoplay with sound or interstitials that take up the entire screen.
Sridhar Ramaswamy, the executive in charge of Google’s ads, writes in a blog post that even ads “owned or served by Google” will be blocked on pages that don’t meet Chrome’s guidelines."
Friday, June 02, 2017
Google plans to clean up the web with Chrome ad blocker next year - The Verge
See this Google blog post for details