tutorial six:

www.facebook.com

Facebook's mission is to give people the power to share and make the world more open and connected.Millions of people use Facebook everyday to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet.

services facebook provides

Facebook’s simplified navigation gives users easy access to core site functions and applications. Profile, Friends, Networks and Inbox – pages core to the user experience on Facebook – have a prominent place at the top of the user’s profile page. Facebook applications – Photos, Notes, Groups, Events and Posted items – are displayed on the left side bar, along with any third-party applications a user has added to their account.

why people choose facebook

Facebook is a free-access social networking website that is operated and privately owned by Facebook, Inc.[1] Users can join networks organized by city, workplace, school, and region to connect and interact with other people. People can also add friends and send them messages, and update their personal profiles to notify friends about themselves. Wiki

ethical issues of facebook

Employers are looking at the Facebook, MySpace, and blogs of prospective employees, even internship applicants, in order to make hiring decisions.
Facebook was also used by Syrian citizens to criticize the government, and public criticism of the Syrian government is punishable by imprisonmentn Iran, the website was banned because of fears that opposition movements were being organized on the website.
The possibility of data mining
the discovery of pro-mafia groups

"Privacy and Security". Facebook via Internet Archive. Archived from the original on 2007-08-30. http://web.archive.org/web/20070830164535/http://www.facebook.com/help.php?page=9. Retrieved on 2008-03-15.