Short for World Wide Web, the WWW, W3, or web is a graphical interface for the Internet that was first introduced to the public on August 6, 1991, by Tim Berners-Lee. A few days later on August 23, 1991, it was available to everyone.
The WWW is different from the Internet although most people today think the WWW is the Internet. The Internet is what connects your computer with other computers. The WWW is what you're viewing while looking at your browser (e.g., this web page).
What software allows you to access the WWW?
What was the WorldWideWeb browser?
Should I capitalize the World Wide Web?
When used in it's full form "World Wide Web," each "W" should be capitalized. See our web definition for further information about the capitalization of "web" and web-based terms.