You can add special characters on a PC or Mac computer by using keyboard shortcuts or accessing a pop-up window.

You can type a degree symbol with your keyboard using key combinations on a computer or numerical keyboard menus on a phone ...

To win chat, Facebook Messenger must be as accessible as SMS, yet more entertaining than Snapchat. Today, Messenger pushes on both fronts with a series of announcements at Facebook’s F8 conference.

An earlier version of this story incorrectly listed the number of emoji that had been approved for the Unicode 17.0 update. Unicode has since confirmed that n ...