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 ...

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.

Emoji date back to 1999 when they first appeared ... but it did become more popular with the advent of the computer. The first American Standard Code for Information Interchange emoticons, or ...