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I can guarantee you that nobody working at Google has that kind of charisma

I use the CanvasBlocker extension in conjunction with Firefox’s internal privacy.resistFingerprinting flag, which also restricts canvas access I believe

I agree, Maps became almost unusable once I activated canvas blocking. This is likely the culprit, OP

“Utopian” is usually just code for “no poors allowed”

Technically, you can sign in on multiple devices and share history. I share between my phone and multiple desktops. You just can’t do it between two mobile devices.