People are losing their heads over this picture that’s being shared on Facebook

Nope, I'm done with these internet optical illusion memes, I won't look at another one as long as I...

In the wake of The Dress – an event so cataclysmic that it turned into a worldwide talking point literally overnight after the image was sent into BuzzFeed – optical illusions have been ten a penny online. They're irresistible, if somebody tells you that you won't be able to visually decode an optical illusion, you *have* to try, it's in our nature as humans. And so here we are, staring down the barrel of yet another optical illusion that will cause you to scream at your computer screen until you finally see it, and then feel really stupid that it took you so long to figure it out. A guy called Arron Bevin from Manchester posted this one to his Facebook page yesterday, and people are getting incredibly angry and upset about not being able to work it out.

Here's the image on its own – it took most people in the office over a minute to spot it.

Obviously, we could tell you what it is, but where's the fun in that? It's so obvious once you've spotted it that it's actually a bit embarrassing. Read more: