Quick, what’s the square root of 2,130? How many Roadmaster convertibles did Buick build in 1949? What airline has never lost a jet plane in a crash?
If you answered “46.1519,” “8,000,” and “Qantas,” there are two possibilities. One is that you’reRain Man. The other is that you’re using the most powerful brain-enhancement technology of the 21st century so far: Internet search.
True, the Web isn’t actually part of your brain. And Dustin Hoffman rattled off those bits of trivia a few seconds faster in the movie than you could with the aid of Google. But functionally, the distinctions between encyclopedic knowledge and reliable mobile Internet access are less significant than you might think. Math and trivia are just the beginning. Memory, communication, data analysis – Internet-connected devices can give us superhuman powers in all of these realms. A growing chorus of critics warns that the Internet is making us lazy, stupid, lonely, or crazy. Yet tools like Google, Facebook, and Evernote hold at least as much potential to make us not only more knowledgeable and more productive but literally smarter than we’ve ever been before.
The idea that we could invent tools that change our cognitive abilities might sound outlandish, but it’s actually a defining feature of human evolution. When our ancestors developed language, it altered not only how they could communicate but how they could think. Mathematics, the printing press, and science further extended the reach of the human mind, and by the 20th century, tools such as telephones, calculators, and Encyclopedia Britannica gave people easy access to more knowledge about the world than they could absorb in a lifetime.
Yet it would be a stretch to say that this information was part of people’s minds. There remained a real distinction between what we knew and what we could find out if we cared to.