It's not curing cancer.
It's not world peace.
It isn't even the destruction of the world.
What if Skynet were on your side?
It's even better.
It's protection from Telemarketers.
Let “Whitebeard” talk to them for you. Robert McMillan's Wall St Journal article describes Roger Anderson's commercial offering of befuddled voice bots to frustrate (and burn the time of) telemarketers and phone-based scammers.
I love the idea, and listening to the example dialogs makes me smile.