Prices change; that's fundamental to how economies work.
And yet: In 1886, a bottle of Coke cost a nickel. It was also a nickel in 1900, 1915 and 1930. In fact, 70 years after the first Coke was sold, you could still buy a bottle for a nickel.
Three wars, the Great Depression, hundreds of competitors — none of it made any difference for the price of Coke. Why not?
In 1899, two lawyers paid a visit to the president of Coca-Cola. At the time, Coke was sold at soda fountains. But the lawyers were interested in this new idea: selling drinks in bottles.