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"His invention was inspired by something he saw while visiting Australia."

Exchange visits(+) a good use of money perhaps? - spark that innovation.

(+) not necessarily just to 1st world countries by the way

Of course! Free of people and ideas is a great benefit to each of us. Some folks give into resentment but most of that's caused by the central banks not actual immigration. It's caused by central banks bc they have kept the substitute for labor cheap. Low interest rates, as far as I can see, are one of the principal causes of populism. Populism is the premise most folks would use to argue against exchange visits.

it's not really innovation if he just copies something he saw abroad

i guess they could get inspired by military solutions in emergency situations which must be also hacked from what's available

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