Of the six billion emoji that are sent globally every day, around 70% are emotion based – for example, smiley face, love hearts ... It’s a very intuitive language. Because emoji are visual ...

But smiley faces, as previous research has shown ... “A lot of customers are really pushing back against tipping, because they’re being asked to tip in so many circumstances,” Lefebvre ...

If your office is very formal, maintaining a serious ... all be eliminating from our work emails – and that’s the smiley face emoji. Researchers at Amsterdam University, Ben-Gurion University ...