Firefox will begin blocking trackers by default
Firefox will now block thousands of web trackers by default, protecting users from many websites, analytics companies, and advertisers that want to follow their paths across the web.
from https://www.theverge.com/2019/6/4/18650363/firefox-block-trackers-default-enhanced-tracking-protection
https://cdn.vox-cdn.com/uploads/chorus_image/image/63945340/firefox_mozilla_logo_1.0.png