The main advantages of email are listed below :
(i) Free delivery: Sending an e-mail is virtually free, outsicde the cost of Internet service. There is no need to buy a postage stamp to send a letter.
(ii) Global delivery : E-mail can be sent to nearly anywhere around the world, to any country.
(iii) Instant delivery : An e-mail can be instantly sent and reccived by the recipient over the Internet. (iv) File attachment : An e-mail can include one or more file attachments, allowing a person to send documents, pictures, or other files with an e-mail.
(v) Long-term storage : E-mails are stored electronically, which allows for storage and archival over long periods of time.
(vi) Environment friendly: Sending an e-mail does not require paper( Paperless), cardboard, or packing tape, conserving paper resources.

i) W3C stands for "World Wide Web Consortium." The W3C is an international community that includes a full-time staff, industry experts, and several member organizations. These groups work together to develop standards for the World Wide Web.
ii) The World Wide Web Consortium (W3C) is an international organization committed to improving the web. It is made up of several hundred member organizations from a variety of related IT industries.
iii) W3C sets standards for the World Wide Web (WWW) to facilitate better communication ability and cooperation among all web stakeholders.
iv) It was established in 1994 by the creator of the WWW, Tim Berners-Lee.