If you want to get on your boss's good side, learn a couple of jokes.
Apparently, 84 percent of executives believe employees with a sense of humour do better work.
98 percent prefer workers who are fun.
But where's the line between having a good sense of humour, and being the try-hard office clown?
And if you're not naturally funny, can you learn it?
Naomi Bagdonas from Stanford Graduate School of Business joined Tim Dower.