In this particular optical illusion, an image filled with countless emojis conceals one angry face. The task is simple yet tricky: spot the angry emoji within six seconds. At first glance, the image ...

Facebook just expanded the “Like” button with a feature it calls Reactions---six animated emoji the company hopes will let users to respond with more emotional nuance to the posts in their news feeds.

Optical illusions have become the new fixation of the internet. The brain-teasers play tricks on our eyes and reveal how our brain processes images. These optical illusions challenge viewers to put ...