Maybe it will be like music or video sharing. It's illegal and "can't be done" - until someone big enough does it and then it just becomes trivial. So maybe al

Maybe it will be like music or video sharing. It's illegal and "can't be done" - until someone big enough does it and then it just becomes trivial. So maybe all new vehicles will have and old ones will be retrofitted with corner reflectors and infrared beacons or some such, and roads will have markers for AI cars, regularly checked and maintained too (by robots). Digital maps will be public domain. Clothes and bikes etc will get AI visibility signs integrated too.