And that work does seem to show that, increasingly, half the people who will become famous have done so by the time the hit 30.

FORBES: Wanna Be Famous? Science Says Get There By Age 30

In most parts of the world Coke's sales are driven by the famous fizz, with richer countries, where calories are all too abundant, leaning increasingly towards Diet Coke, developed in 1982, and poorer countries leaning towards the original sugary stuff dating back to the 19th century.

ECONOMIST: Coca-Cola strikes it rich in Asia with a new drink