Why you might be jobless in the future

Centuries ago, 90% of the world's population was involved in agriculture. Today, hardly 2% is involved in it, yet we are able to produce enough food to feed us all. The industrial revolution not only changed the world's economy, but also people's jobs and lifestyle. Employees moved from manual to machine to computer-related jobs. Various economies in the world turned from a machine-based economy to a knowledge-based one.