https://medium.com/@sfchronicle/googles-chrome-browser-starts-blocking-ads-thursday-but-not-the-way-you-d-think-76f467280a3a

By Dwight Silverman

If you use Google’s Chrome web browser — the most popular web browser in the world — you may start seeing fewer ads at the sites you visit starting Thursday. That’s when an ad blocker built in to the software will be switched on, but don’t expect it to behave the way most add-on blockers do.