You've probably heard of Qwerty keyboards before, but even if you haven't, chances are you type on them regularly. But you probably haven't heard of the emoji keyboard, which uses emoji symbols instead of letters and came up with the idea of the technology company Disk Cactus, which is offering it on Kickstarter. It is a silicone keyboard, which is actually not a keyboard in the strict sense of the word, but a "cover" for an already existing one.
