~80% of the 21 million already exist, and ~95% will exist by 2025, barring some cataclysmic event. So it's a bit misleading to just say that it "won't run out u

~80% of the 21 million already exist, and ~95% will exist by 2025, barring some cataclysmic event. So it's a bit misleading to just say that it "won't run out until 2140".