Dynamic graph of occupations in the U.S. (1850-2000)
flare.prefuse.org
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It's neat to see how farming has gone from a major percentage of workers to almost nothing. I kept hoping to see some big block of jobs in our time that could go away in the next 100 years. But nothing jumped out at me.
1. An employee or other worker with some particular function or skill.
2. A spy, secret agent, or detective.
I'm voting for number 2.