I've always wanted the ability to take a snapshot of a running process, say a ruby repl, that's thrown an unhandled exception, waiting for user input. Send that

I've always wanted the ability to take a snapshot of a running process, say a ruby repl, that's thrown an unhandled exception, waiting for user input. Send that snapshot to a friend, who can debug the issue, send back, etc. Collaboration on a live system over the internet. Yes, exactly like smalltalk. sigh.