"I bet you wish you had listened to my question now". My dog, Lucy, and I were floating on a plank of wood in the northern regions of the North Sea, three hundred or so miles west of Trondheim. A few weeks ago we embarked of a ridiculous challenge to see whether we could go around the world in eighty word changes to our What3Words geolocation code. Simply changing the word "luck" to "drink" had transported us to ///sake.drink.change, which turned out to be in the middle of the freezing ocean. If that wasn't bad enough, my companion, my dog Lucy, insisted on talking to me, and even worse, she had turned out to be the kind of smart-alec companion nobody wants to share a floating plank with. "OK, do tell me, what was your question?", I enquired. "Simply this, do What3Word locations cover the seas and oceans as well as land?", she replied, and then added, "and you've no need to be so grumpy"