How many jobs actually exist for more than 100 years? Also, just like we've seen in the last 200 years, people's education requirements would continue to grow.

How many jobs actually exist for more than 100 years? Also, just like we've seen in the last 200 years, people's education requirements would continue to grow. If you live to 1000, maybe the first 50 years of your life are spent as a student.