Google begins blocking ads (chrome browser). Here is a description from The Verge.
On desktop, Google is planning to block pop-up ads, large sticky ads, auto-play video ads with sound, and ads that appear on a site with a countdown blocking you before the content loads. Google is being more aggressive about its mobile ad blocking, filtering out pop-up ads, ads that are displayed before content loads (with or without a countdown), auto-play video ads with sound, large sticky ads, flashing animated ads, fullscreen scroll over ads, and ads that are particularly dense.