If I thought it was for real, I wouldn't have put it in the joke thread.
Wow. Plus, it was originally called duck tape!An irony: duct tape should not be used on ducts, though it is useful for other purposes.
You don't believe this? See: https://servicechampions.com/why-duct-tape-should-never-be-used-to-seal-air-ducts/
My wife went to self-help group for compulsive talkers. It's called "On an' On Anon."