What do you think our world will be like in 50 years? 100 years? 500 years?

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What do you think our world will be like/look like in 50 years? 100 years? 500 years? if our world is still alive. What do you think technology will look like? flying cars? futuristic buildings? flying drones? robots? cyborgs? I believe that at least in 50 years we will have absolutely no privacy - satellite tracking devices allow authorities to track our every movements - freedom of thought/ let alone freedom of speech will be nonexistent due to them being able to read our neurosignals. The world will be overpopulated with over 8 billion people; nuclear wars; etc. but of course maybe there is good to come? people might be more caring about others and the world around them - addressing every issue that surrounds all sorts of new technologies?