The web is advancing quickly towards mass-media status in the world. The web provides excellent interfaces for all kinds of interactive network databases. Internet is being increasingly used for multiway information exchange. E-mail is typically used to send short textual messages between computer users. Internet News Groups permit users to read and post messages to various discussion groups organized by topic.
Educational topics range from agriculture to zoology, but news groups exist on almost every topic.
Interdisciplinary efforts are required in its research and successful implementation in the field. The web is fast becoming a critical component of SA information exchange. There are now hundreds of SA sites online from around the world. However, it is a challenge to find the required information on a specific topic. Search tools on the Web, called search engines and directories, which index Internet sites, offer keyword searching and subject browsing of information.