What's the difference between the web and the internet?

According to a definition published in Official Journal in 1999, internet is one

A global network of telecommunications resources and server and client computers for the exchange of e-mail, multimedia, and files. Access to the network shall be open to any user who has obtained an address from an accredited body

.

Arpanet, the first packet data network developed in the U.S. in 1972 that allows messages split into independent packets to be routed from point to point, is the home of the Internet. The Internet today is a gigantic network composed of millions of public and private networks, academia, business, government...

There are many applications using the network: e-mail, instant messaging, telephony, file exchange, but it is the emergence of the web that has popularized and considerably developed the use of the Internet.

If the Internet is a network through which data passes, the web (shortcut of

world wide web

, translated into French by World Wide Web) corresponds to one of the applications using this network, the main.

The web is a system for publishing and viewing documents (text, sound, images) using hypertext techniques that use cross-references to move directly from one part of a document to another, or from one document to other documents chosen as relevant by the author. Web-based technologies (url, html, http) were developed in 1989-1990 by European researchers at Cern (European Organization for Nuclear Research), Tim Berners-Lee and Robert Cailliau.