How do you imagine 2050? are the cars flying, does the climate get better, are we on mars yet, what are the biggest innovations. Lets talk about it
Just 30 years more... Hmm i think we would have sent more things to Mars, maybe some humans.
The climate isn't getting any better. Even if magically people stopped polluting and deforesting tomorrow, it would take a lot of inertia to slow down or revert the effects of climate change. Sadly i think the weather patterns will remain harsh and changing for decades to come.
They are not going to let cars fly yet due to regulations on airspace. Or if you wanted to fly in your car, you would need the corresponding pilot license...
If hyperloop becomes more popular, people are going to use less, not more, cars. America actually just needs high speed rail to connect her major cities, which is good as less jetliners also means less pollution.
Electric cars will become more and more common, and small self driven mini bus like commuter (such as Musk 20 seater proposal) this is a driverless vehicle people could take daily, and even call it uber/lyft style.
By this year there won't be any commercial bitcoin miners, all that will be left by then is a small group of enthusiasts. Bitcoin price would have gone more stable finding its approximate place (it will keep going up but slowly, opposite to the induced fiat devaluation).