The personal computer (PC), which first hit the market over 30 years ago, has undergone tectonic changes that, in turn, launched the PC era. PCs were primarily used in the workplace where software was simple and optimized for use with the keyboard; touching a screen was unheard of until recently. Slowly computers began creeping into the home and many users didn’t know what to do with them; they were glorified typewriters. When PCs started connecting to the Internet, possibilities reached a new level, which had a snowball effect. It allowed academia to share research; it spawned new means of communication from email and online chat to social.
