A unit of measure based on the
lifespan of modern humans of approximately
100 years and used to give
perspective on how recent certain developments were achieved by mankind.
"This country was founded in
1776. People live to be 100. That was just THREE
PEOPLE AGO. Yeah, the 'Fear Factor' guy just hit you with a math quiz! That JUST happened. REEEAAALLL recent! ~
Joe Rogan