But in the real, messy world of crowded streets, rules and etiquette, bad weather and remote rural tracks, it is a huge jump from these kinds of increasingly smart assistance to the moment you can go to sleep at the wheel secure in the knowledge that your car will go all the way to your destination. Handing over total control of a road vehicle to a computer is a much harder problem than the equivalent in the air, for example. And then there is the need to re-engineer the entire infrastructure around roads to suit automated vehicles, not to mention the insurance market. These things take time.
Any innovation that requires buy n from multiple stakeholders will take time. Unlike internet,which started as a more broadcasting mechanism - anyone could create a website and anyone could access that. For autonomous cars, as wi5 blockchain, the ecosystem of services built around it is going to push back on changes at such drastic level. Like with genomics, where it took multiple decades for the innovation to bear fruit, blockchain is going to come back strongly in the next 5-10 years