So funny thing about software prototypes. Time and again a prototype is pushed into production by greedy management seeking immediate returns - and then the actual system is never done.
I'm glad I moved into hardware development.
"So, funny thing about software prototypes."
or
"SO FUNNY thing about software prototypes."
Either is valid, but it struck me that I couldn't exactly divine your intent.
If a prototype or PoC is in production though, something's gone wrong. I build my prototypes and PoCs in such a way that they literally can't be in production, which is I think the correct way to build a PoC anyway.