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Mozilla review of 25 car brands finds they're "a privacy nightmare"
(foundation.mozilla.org)
This is a most excellent place for technology news and articles.
Cars don't need much data, they should be fine on something like £10 per month plan. £10 * 12 = £120 per year. £120 * 10 = £1200 per 10 years. Car manufacturer can simply add £1200 to the price of a new car and you won't even notice that. But they are definitely negotiating B2B tarrifs, so it's probably even cheaper.