The currently existing system of fonts used for display on computer screens,
and for printing. is largely a consequence of the unanticipated growth in the
popularity of the computer and its widespread use for desktop
publishing. Inadequate provisions had been made for the future at the time of
the introduction of computers, and these problems were exacerbated by the use
of temporary, makeshift, and closed-source, proprietary solutions by Adobe,
Apple and Microsoft. Here, we describe the major font technologies and
encodings in use today.