Voice control is a super convenient way to control stuff with your phone, at least when your AI isn't just shouting error messages at other computers. Googolplex makes it even better by unlocking Siri to let her control your stereo, your thermostat; honestly, just about anything.
You might know that a googol—the digit 1 followed by 100 zeroes—is a very large number indeed. You might even know that a googolplex—a 1 followed by a googol of zeros—is an even bigger number. But this video helps explain why it's such an insane concept to get your head round.
There are numbers out there that are so enormously, impossibly vast that to even write them down would require the entire universe. But here's the really crazy thing...some of these incomprehensibly huge numbers are crucial for understanding the world.