If you haven't heard about the story, the following riddle is circulating on Facebook:
"It’s 3:00 am, the doorbell rings and you wake up. Unexpected visitors. It’s your parents and they are there for breakfast. You have strawberry jam, honey, wine, bread and cheese. What is the first thing you open?"
If you don't answer the giraffe riddle correctly, you are supposed to change your profile photo to a giraffe and pass the riddle along on Facebook. Two possible answers are being circulated. To avoid a spoiler on this article, those two answers are in this link. Scroll down to view them. Kleinberg was probably referring to the second possible answer on the article, which most people are guessing is the answer. But it is debatable which is the correct answer.
What do you think is the answer to the giraffe riddle? Leave your comments below.