1. First, they've had test vehicles. Test vehicles that aren't good enough to launch as fully "self-driving" yet or else they'd be knee-deep in the legal questions already. I can say that I'm developing a rocket booster in my backyard, but until I can approach its intended function to the point where I feel comfortable selling it, the product doesn't exist. It's all concept and research with no real deadline. So, as I said, without more tech and legal solutions, it's still speculation.
2. Yes, very expensive. Some panels are cheap, but panels cleanly sourced are expensive and it doesn't matter how efficient future panels cost if you sink the cost today. Moreover, most people that invest in rooftop solar end up doing it through a leasing process which means selling the home becomes more complicated. Batteries are still a **very** dirty storage method (dirty to make, dirty to recycle/dispose) that adds to the cost of the energy ecologically and financially. There's a reason there hasn't been a boom in full-sized solar and wind plants/farms -- they don't make fiscal sense. The power companies would be all over them if there was a method to make it work with current infrastructure.
3. It's all prediction based on precedence.
11. No, SpaceX has *said* they *plan* on sending a manned mission to Mars within a decade. There's no reason (at all) to believe the plan will come to fruition. Elon has said he'll build an EV for the masses, send people to Mars, send people at hundreds of MPH down a pressurized tube, make automated vehicles that would make obsolete transit, etc.
For the record, I know that I sound like an absolute humbug. It's not my goal to be a humbug, but I feel that it's necessary to nip some of the hyperbolic enthusiasm in the bud. Tech hype, in my experience, only serves to help people stuff their heads in the sand and ignore existing problems that could be eased or even solved today with existing technology. Instead, people like to ignore it all and say, "Technology will save us." So, I'll go down the list again and point out what we could do TODAY to achieve similar results...
1. Self-Driving Cars: The goal is to ease traffic and reduce traffic collisions. We can do this by better facilitating transit and increasing the minimum driving age to 21. We should require automatic braking (a today tech!) in every vehicle where airbags are required.
2. Clean Energy: The goal is to ease global climate change. To do that, we can use nuclear power with breeder reactors and keeping building rooftop solar and windfarms where they make sense.
3. Virtual and Augmented Reality: The goal is to have an immersive experience where one isn't. Embrace the porn/games market. Hopefully someone will make something more useful out of it, but don't shy from the true buyers-in.
4. Drones and Flying Cars: The purpose is to reduce delivery and surveillance expenses (drones) and travel more quickly on demand (flying cars). There's not much you can do to further reduce delivery expenses, honestly. That's commerce. I don't think any private person wants to be watched more. And quick, on-demand travel should be the alternative transportation to transit being the standard option.
5. Artificial Intelligence: The goal is to think less for ourselves because we're wrong about things. This is a bad goal. Drop this goal.
6. Pocket Supercomputers for Everyone: There is no goal here. It's just a pat on the back.
7. Cryptocurrencies and Blockchains: The goal here is to avoid surveillance and, if that's the case, then why support drones?
8. High-Quality Online Education: The goal here is to make education easier for the entity responsible for providing education. However, education is hard because people are complex and the job of an educator is more complex than people realize. We can improve everyone's quality of life if we focused more on educating the underperformers and less on those who perform well regardless. It's called improving from the roots up instead of the leaves down.
9. Better Food through Science: The goal here is to make more food in less space. We're already doing this.
10. Computerized Medicine: The goal here is to end medical pain and suffering. We can do that today in MANY WAYS if we actually valued people in other countries. Instead, the goal may actually be to reverse the effects of luxurious living (obesity, gout, colon cancer, etc.). The real solution is prevention.
11. A New Space Age: The goal here is righteous-- to learn more. But it will be a slow go for the next 50 years if we don't sort out other issues first.