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Firefox is on the brink of being dropped by the US Government
(www.brycewray.com)
This is a most excellent place for technology news and articles.
They said their friends work in "IT". They have most definitely heard about adblockers and know how to use them, if this claim is legit. As a person who works in the tech field, I don't know any coworkers who would not use adblockers. I find it kind of crazy to believe there are any IT professionals that don't use adblockers, but I guess some must exist. Maybe they feel like adblocking is stealing or immoral somehow.