From the animal emoji putting gang members in jail to the smiley face which revealed a sinister plot to fabricate evidence, sending one of these colourful icons could land you in a lot of trouble.

An expert reveals the hidden meanings behind emojis that parents should look out for - including the cat face, dynamite and ...

Of the six billion emoji that are sent globally every day, around 70% are emotion based – for example, smiley face, love hearts. A smaller proportion of the emoji sent are sad expressions.