The rose emoji is a classy option and is the textual version of giving them flowers or, even better, suggesting that they should bring you flowers. It doesn't come on too strong, but adding the rose ...

the majority of people between the ages of 16 and 29 believe that you are “officially old” if you use thumbs up or heart emoji. The OK hand, green checkmark and poo emojis don’t fare too ...

Emojis can add a touch of personality to your messages, but in some workplaces, using them will go down very well.