I Will Ask You Questions - Now with MORE fantasy ecology!

Programming grew from total obscurity to a useful, if slightly esoteric trade, and now to near ubiquity in the last few decades. What skill do you expect will be useful in forty to fifty years that is practiced by very few people now?

Hmm, I'm not sure if this qualifies as a very rare skill, but being able to speak multiple languages would probably be very useful in an increasingly global future world. Technological literacy will probably also be a very difficult skill to get by without.

Unless of course we hit a massive apocalypse of some kind before then, in which case I retroactively change my answers to farming and scavenging.