My mother is a mainframe person. She was back in the 80's, she was in the 90's, she was in the 00's and she is in the 10's. The difference is as the supply of m

My mother is a mainframe person. She was back in the 80's, she was in the 90's, she was in the 00's and she is in the 10's. The difference is as the supply of mainframe people goes down, her pay goes up.