Firefox will begin blocking trackers by default
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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