I learned by playing StarCraft on 56k modem. VoIP was not possible so you had to type fast. Style is wildly non-standard but i was typing fast enough not to see a benefit from standard style.

Assuming you park next to your house a WiFi connection on the local network would be everything you need. Relatively cheap compared to the car would be a repeater to extend it for people like me who park 30-50m away I agree with you assumption that this is car manufacturers creating software based planned obsolescence. An open source framework would resolve this concern even over cell networks but defeats the entire point of also pushing power windows and seat heating as a service.

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