To Gen Z, that classic smiley face emoji isn’t all sunshine — it’s more of a smug, side-eye smirk that can come off as passive-aggressive in texts like above.

In a bid to promote inclusivity and challenge stereotypes, 10-year-old Teddy from Peppard, Oxfordshire, has initiated a campaign urging Apple to redesign its “nerd face” emoji.

Emoji users respect linear time and action. If you want to point a gun at something, it has to go to the left of the barrel, he says. It is this: Not this: ...