Cockburns's advice to you all this Christmas is: if you do happen to stumble across a genie, make sure you pronounce your wish very clearly.
Why? Because costly mistakes do happen. Just check out this new 30-second ad, created by BETC London and you will see how.
Now, I think we all know of a situation or been in a situation when someone mishearing something has caused an embarrasing situation. It certainly has for me.
Well, this spot does just that, and if you look at the headline, I think you can work out just where it all went wrong.
Now, it's not the first time we have heard this joke, but I do have to say, it's still funny.