Talking about new/active subfields of CS to inspire students In a class for highschool students, should I talk about new, active, and exciting fields of CS to inspire them to perhaps further pursue CS or just get them more interested, or would it be better to stick to the basics? If the answer is that it's a good idea, please elaborate with an example of a subfield that would be good to talk about and why.

For example, a field might be quantum computing - covering maybe the basic ideas and mathematics, and giving them some resources to explore, and a nice simulator like this one to play with (or would that be going into too much depth?). Talking about molecular computing would also be an option.
I think a really interesting one would be the idea of cryptocurrency, this may not be what you are looking for particularly, but it is a new horizon that is bringing many new ideas to tech. Ideas to cover, the block chain, the ethereum flash crash, the anonymity (or lack thereof) of cryptocurrency, regulation of cryptocurrency. How mining works. The list goes on and on