> <i>"You would expect that an extension that injects or replaces advertisements is malicious, but then you have AdBlock that creates an ad-free browsing experience and is technically very similar."</i><p>AdBlock is very clear in what it does and users install it because they want to block ads, whereas users are usually not aware when an extension injects ads. As a note, the Awesome Screenshot extension for Firefox asks you if you want ads injected, probably because of Mozilla's review process, whereas the Chrome version does not.<p>It's one thing for websites to be ripped of the opportunity to make money from your eyeballs, with your consent, it's quite another for those same websites to generate money unknowingly for an obscure third-party. We are probably talking about copyright infringement done for commercial for-profit reasons.<p>Google is annoying me lately. I now use Firefox on my Android and I do that because AdBlock Plus and uBlock are working on it, whereas Chrome for Android still doesn't have plugins, probably because they don't want ad blockers in it.