Google has a URL parameter to turn the personal search feature off.
Sure, but it does not really work. It still tries to infer your search "preferences" from your IP, and whatnot.
And there is a reason why the bubble is still there even in private browsing..
https://www.vice.com/en_us/article/m7jvvp/google-sued-tracki...
While the visualizations are cool, I'm a bit afraid of how much of the displayed word cloud is a visualization of the "bubble" that the author lives in. It would be cool to see how different these graphs are on each of our computers!