When the first Harry Potter book appeared, in 1997, it was just a year before the universal search engine Google was launched. And so Hermione Granger, that charming grind, still goes to the Hogwarts library and spends hours and hours working her way through the stacks, finding out what a basilisk is or how to make a love potion.

In 1994, most people had to call the bank to check their balances. Or inquire in person, or wait for a paper statement to arrive in the mail. Baseball box scores were found in the newspaper. Weather forecasts came over the phone from the weather bureau, or on TV.