https://www.theguardian.com/science/2018/nov/21/first-ever-p...
That is the future of aerospace right there.
With this propulsion technique you potentially break free from the traditional designs and can fly into any given direction.
today's planes can fly in any direction?
For everything you can suggest, someone will have an example of how it was technologically possible 3 years ago...
I guess it's obvious but from 3 years ago; hardware is faster, cheaper, and software is easier to develop...
Also, a tongue in cheek answer, being able to get a company into big trouble for mishandling data via the GDPR ;-)
This was an issue with mindset (the old banks don’t want to invest in user experience) and the huge barrier to enter the banking market.