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.

SEE ALSO: Your hairstyle may be getting its very own emoji soon That's right, the weird blobby smiley faces from previous ... such as a Google Pixel phone — can go sign up for the beta right ...

Over time, emoji meanings have become subjective, depending on a message's context and wider cultural trends. Which shaking smiley face should you use? Is there a difference between each different ...

as the iPhone introduced their own emoji keyboard and competing phone companies followed suit. The iconic yellow smiley face has an interesting story behind it - and it was around long before the ...