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https://www.realclearmarkets.com/articles/2023/07/21/the_quickest_path_to_becoming_a_billionaire_966656.html
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https://www.brookings.edu/blog/future-development/2018/07/25/europe-is-aging-its-high-time-to-invest-in-youth/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=64762718