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.

From friendly smiley faces to cheeky aubergines ... While you might assume that a heart emoji just means love, in emoji slang each different colour actually has its own hidden meaning.

Credit: Mashable Original image has been replaced. Credit: Mashable There are also a few new plays on the traditional yellow smiley-face emoji, including a rather stunning mind-blown face ...