Following a weekend Costco run, we came across a Costco receipt marked with a smiley face and became curious. Is this a common Costco practice? And if so, why do Costco workers draw smiley faces ...

There’s something uniquely alluring about having your nails painted stark white and black, with the happiness of a smiley face for good measure—a combination both timeless and trendy!

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.