A program that acts as a central information source and provides services to programs in the same or other computers. The term can either refer to a particular piece of software, such as a WWW server, or to the machine on which the software is running.

Building a Highly-targeted Opt in List: When Money Lies Beneath the Lists
Are you successful with your Internet business? Better yet, do you think you are successful with your online business? When most online entrepreneurs are asked with these questions, they often brush it off.