If you liked or shared any of these memes on Facebook... We're sorry, but you've been had.

Well, this is a bit funny.

An Imgur user spent the day making obviously fake ‘fact memes’ – you know the ones: “If every person in the world just used one fewer piece of toilet paper, we could save the Amazon in XX billion years” – and posting them on Facebook.

And not a single one of his Facebook friends pulled him up on it.

You can see the rest of the hilarious memes by clicking here.

What is the worst meme you have ever seen on Facebook?