From simple smiley faces and love hearts to high heels and rainbows, it seems like there is already an emoji for every possible ... purple 'splatter', a bright blue fingerprint, and the flag ...

From simple smiley faces and love hearts to high heels and rainbows, it seems like there is already an emoji for every possible ... purple 'splatter', a bright blue fingerprint, and the flag ...

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.