Facebook is online social networking service, whose name from the colloquial name for the book given to students at the start of the academic year by some university administrations in the United States to help student get to know each other.
It was founded in February 2004 by Mark Zuckerberg with his college roommates and fellow Harvard University students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes.
Users must register befor using this site, after which they may creat a personal profile, add other users as friends, and exchange messages and many more, including automatic notifications when they update their profile. Additionally, users may join common-interest user groups,orgnaized by workplace, School or College, or other characteristics, and categorize their friends into lists such as "People from work" or "close Friends".
Users can creat profiles with photos, lists of personal interests, contact information, and other personal information anything users want. User communicate with friends and other users through private or public messages and a chat feature. They can also creat and join interest groups and "Like pages" (Called "Fan Pages" until April 19,2010), some of which are maintained by organizations as a mean of advertising. The user page is set up in a minimal fashion with blue as the main color. This was done because Zuckerburg is red - green colorblind. On September 6, 2006, a news feed was announced,which appears on every user's
homepage and highlights information including profile changes, upcoming events, and birthdays of the user's friends.
One of the most popular applications on facebook is the photo application.where users can upload albums and photos. Facebook allows users to upload an unlimited number of photos, compared with other image hosting services such as Photobucket and Flickr, which apply limits to the number of photos that a user is allowed to upload. Privacy settings can be set for individual albums, limiting the group of users that can see an album. On June 7, 2012, Facebook launched its App center to its users. It will help the users in finding games and other applications with case.
Facebook launched Gifts on February 8, 2007, which allows users to send vertuel gifts to their friends that appear on the recipient's profile. Gift cost $1.00 each to purchase and a personlized message can be attache to each gift. The like button is a socia networking feature, allowing users to express their application of content such as status updates, comments, photos, and advertisments.
Since April 2011, Facebook users have had the ability to make live voice calls via facebook chat, allowing users to chat with others from allover the world. This feature, which is provided free through mobile's new bobsled service, lets the user add voice to the current Facebook chat as well as leave voice message on Facebook.
On July 6,2011, Facebook launched its voice calling service using Skype as its technology partner.
