Today, millions of people worldwide have access to the Internet, the world's largest network. Billions of webpages providing information on any subject you can imagine are currently available on the web. People use the Internet to search for information, to communicate with others around the world, and to seek entertainment. Students use the Internet for online lectures and tutorials. Businesses and other organizations rely on the Internet and the web to sell products and services. Hypertext Markup Language (HTML), Cascading Style Sheets (CSS) and Javascript(JS) are two of the technologies that make this possible.