Here's something I hadn't thought of: there's been 10–12 thousand generations of people, stretching back ~250000 years. And, yet, you could (in theory) meet ~7%

Here's something I hadn't thought of: there's been 10–12 thousand generations of people, stretching back ~250000 years. And, yet, you could (in theory) meet ~7% of all humans who've ever been alive right now.