Glossary

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 ROTFL

An abbreviation for "rolling on the floor laughing," ROTFL is used in various online communications, such as e-mail and instant messages.

 Real Player

Real Player is developed by Real Networks and allows you to listen to radio stations and watch streaming video on the web.

 Router

A router is a piece of hardware or software that connects two or more networks. A router functions as a sorter and interpreter as it looks at addresses and passes bits of information to their proper destinations. Software routers are sometimes referred to as gateways.