It is clear that China, in particular, has embraced a future-oriented way of thinking in managing its society. While I quite fundamentally disagree with some of what the leadership does in terms of human rights & democracy, it is certain that they are taking bold and progressive steps in technological areas.
I should learn Chinese - I expect it to be the key language in 30 years.
as machine translation is a field of machine learning research with the largest budgets and even though it's not perfect it's already pretty good, in 30 years it will likely be solved and it may not really matter which language you know
Machine translation is AI-hard. If this happens in 30 years we might as well have reached the singularity as computers will understand natural language and all of its meaning completely.
I should learn Chinese - I expect it to be the key language in 30 years.