7.3 Billion People, One Building

"After a year and a half of writing Wait But Why posts, I’ve noticed a theme: humans seem to come up a lot. Sometimes we talk about where humans came from or where we might be going or how we’re all related; other times we look at how we interactandcommunicate and formrelationships.We’ve talked aboutrich humans and famous humans and baby humans and dead humans and humansfromallovertheworld."

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