COBOL is living proof of the power of incumbency. Once technology is entrenched, it becomes self-sufficient and very, very difficult to replace. I remember wh

COBOL is living proof of the power of incumbency. Once technology is entrenched, it becomes self-sufficient and very, very difficult to replace. I remember when mainframe/COBOL apps were being re-written for the client/server era, often using tools like Tuxedo/c++ for the backend and Visual Basic for the front-end. Where are those re-writes now? (Probably replaced a couple of times again, where the COBOL-remainers are still in place.) I think the days of higher-paying COBOL gigs are still ahead of us. When the greybeards actually go away, there will be a strong need to fill.