I have two computers at work one is a PC and the other is a Mac, the Mac has voice recognition and it tells jokes, So here is in a example, i just asked it to tell me a joke.
Me: Tell me a joke
Mac: Knock! Knock!
Me: Who’s there?
Mac: Tad
Me: Tad who?
Mac: Tads all folks!

It’s a Mac.
That’s almost as good as Ryan’s new Blog jokes. But not quite