Which shaking smiley face should you use ... and a tired-looking emoji with bags under its eyes-- honestly, same. Anyone can submit an idea for a new emoji. The Unicode Standard -- a universal ...

SEE ALSO: About time: 'Doctor Who' to feature first openly gay TARDIS resident If you're an old-school Whovian like me, you probably rolled your eyes ... smiley and a thumbs-up. "It speaks emoji ...

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.