Is this a common Costco practice? And if so, why do Costco workers draw smiley faces on receipts? Here’s what we found out. GetReader’s DigestsRead Up newsletter for more shopping, humor ...

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.

The iconic yellow smiley face has an interesting story behind it - and it was around long before the emoticon. In 1963, comic artist and graphic designer Harvey Ball was commissioned by an ...