Narrator: Emoji. For some of us, it's a second language. But did you know anyone can make an emoji? You don't need funding. You don't need to know someone ... Narrator: Fast-forward to 2019.

From friendly smiley faces to cheeky aubergines, emoji now form a staple part of many people's daily messages. But despite their prevalence, people are only just realising what one popular chara ...