<p>By Brandon Griggs, CNNupdated 11:08 AM EDT, Wed October 30, 2013 | Filed under: Social Media</p><p>Do your Facebook friends' profile pics look like this? Apparently they're not so good at riddles.</p><p>STORY HIGHLIGHTSA new Facebook meme asks users to answer a riddleIf you get it wrong, you're supposed to replace your profile pic with a photo of a giraffeMost users agree there are two acceptable answers</p><p>(CNN) -- If you've spent any time on Facebook in the past day or so, you may be wondering: What's up with all the giraffes?</p><p><a href="http://www.cnn.com/2013/10/29/tech/social-media/facebook-giraffe-riddle/">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.huffingtonpost.com/2013/10/28/facebook-giraffe_n_4171246.html">Here&#039;s Why Your Facebook Friends Have Become Giraffes</a> (Huffington Post)</p><p><a href="http://newsfeed.time.com/2013/10/29/why-people-are-making-giraffes-their-facebook-profile-pictures/">Why People Are Making Giraffes Their Facebook Profile Pictures</a> (TIME)</p><p><a href="http://www.today.com/orangeroom/why-giraffes-are-taking-over-facebook-8C11487714">Why giraffes are taking over Facebook</a> (Today.com)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dNmws1X94Saws7M_6U3WC84Rh6hWM&ned=us">117 additional articles.</a></p>