You may have noticed some of your Facebook friends turning their profile pictures into giraffes in the last 48 hours. It's not just because they're cute.
A riddle is going viral across the social media website, and if you get answer it incorrectly, you "have" to turn your profile picture into that of a giraffe.
Why a giraffe? Who the heck knows, but you could do worse ...
The mind-bending Facebook giraffe riddle question is:
"It's 3 a.m., the doorbell rings and you wake up. Unexpected visitors! 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?"
Want to know the answer? Follow the jump ...
Ohhhhh. Get it? Where you stumped?
Some people are getting upset, saying the first thing you'd open at 3 a.m. is your eyes. Both answers are now accepted, according to the Chicago Tribune.
Reports of the Facebook giraffe riddle being a hacking hoax are not true, to our knowledge. It's just good old-fashioned time-wasting fun. Pass it on!