You can but will you ? there is alternative proposed or easy way to configure an alternative.
And it's not even written that it is google behind this service.
If you don't look for it, you can easily believe that is just a function of Firefox or a service of Mozilla.
And there is also the geolocalisation service : if you don' disable it, geolocalisation is made by google services with your IP (if no other sources like GPS on a phone/tablet).
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