From simple smiley faces and love hearts to high heels and rainbows, it seems like there is already an emoji for every possible situation. Now, iPhone users have even more designs to use.

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.

In a jokey letter to Ann’s sister, he drew a smiley face that resembles a modern emoji. Anemaat said the drawing was a bit of fun. Many letters back then were decorated with “tiny, tiny little ...