Bert's idea appears simple:
What if your computer made a little noise each time it sends data to Google?
So this is what he did. A piece of software dubbed googerteller designed for his Linux computer that emits a scratchy beep when the computer detects information flowing out from his computer to one of Google's computers.
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After announcing the tool in a tweet the video quickly received over a million views. Spurred by this attention Bert decided to develop his tool further and include trackers not only from Google but also Facebook and dozens of other trackers.