Have you been wondering why all your Facebook friends are turning into giraffes lately?
According to NBCNews.com, The "Great Giraffe Challenge" is a riddle game that's gone viral on the social media network, and if you see a lot of giraffes popping up in your feed, it means your friends aren't very good at it.
Get the riddle right, and you can move on to the next one, get it wrong, and you'll be asked to change your profile picture to a giraffe for three days.
The following riddle is most associated with the challenge on Facebook.
"It's 3 A.M. the doorbell rings and you wake up. It's your parents and they are here for breakfast. You have strawberry jam, honey,wine, bread and cheese. What is the first thing you open?"
In the end, it's up to you whether you want to stick your neck out publicly take the challenge.