What is Intranet?
Intranet is a network based on the Internet that is accessed by the employees of an organization. An Intranet provides easy access to internal files and documents to the various employees of the organization, from their individual workstations. Sharing of data, made possible through the Intranet, not only helps in saving time of employees, but also allows employees from various levels to access data. It also contributes to a paperless office.

Benefits of Intranet
Most of today’s modern businesses are adopting intranet technology due its competitive advantages in dealing with the corporate information essential for any business.

Communication: Intranet is extremely useful for communication and collaboration between the employees for successful functioning of any business organization. Intranet provides this to businesses in the form of tools like discussion groups, Intranet forms, and bulletin boards. Using intranet tools help in conveying and distributing necessary information or documents among the employees of an organization. This results in easy communication and sound relationship between the employees and top level management. Today, many business houses working on projects use intranet tools, discussion forms, chats, emails, electronic bulletin boards, etc. that help in communicating between different departments of an organization.

Read more (source Brent Barnhart, Buzzle.com)