It's a good endgame for an engineer. If you've got experience with X language and you're planning your exit from the industry. Better yet, be the guy who can

It's a good endgame for an engineer. If you've got experience with X language and you're planning your exit from the industry. Better yet, be the guy who can upgrade a system like that from X language to the newer one that can be maintained by the your new wave of engineers.