Become a robot @smoothlarry :)
Many things will happen in the next 20 years. I have been in IT since 1995, and what I have learnt is is to always understand the trends that is happening. I started of as a software programmer. At some stage in my life I had enough of the industry and I adopted new technologies which I then started to implement. It was only due to the fact that i read a lot and ensured that I understood how business would be affected by new technologies, that I could do that. My recommendation is therefor to read a lot and always be in touch where the industry is moving.