Nothing is worse than pulling up a YouTube video to show in front of a classroom and then having a very questionable ad starting playing. In fact, I know a few teachers that actually have nightmares about this very situation.
This whole situation can be bypassed if you use an adblocker extension, and the one I am demoing here is uBlock Origin. This is a extension that can be added to Google Chrome to stop ads from loading on videos and websites. In the video below you will see me comparing websites side-by-side to show how effective uBlock Origin can be!
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