Whether you prefer to use a Mac or a Windows PC, you might think you know all your computer’s secrets. After all, you use it every day, and modern technology is supposed to be so intuitive that you ...

If you do much typing at all—especially if you dabble in graphic design or publishing—you’ll eventually need hidden typographic characters such as ®, ©, ™, ° and maybe even € and £. Back in 1984, the ...