These jobs have disappeared. Remember them?

The human alarm clock.

Let’s try to predict which modern jobs will face the same fate in a few decades.

By the way, have you ever heard of human alarm clocks?

It might be hard for us to imagine, but two hundred years ago, the alarm clock as we know it today didn’t exist.

That’s where human alarm clocks came in: armed with a long stick, they tapped on their customers’ windows until they woke up.