1. Online Communities

2. Definition  Virtual community, e-community or online community  Communication and information system  Participants share a common interest, idea, task or goal  No time, geographical and organizational boundaries  Personal relationships

3. Virtual communities form "when people carry on public discussions long enough, with sufficient human feeling, to form webs of personal relationships" Howard Rheingold

4. Social Status  Social status revealed on social networks  People represent themselves providing information they want others to believe, while concealing the rest  People able to control information provided about themselves through photos they include, information provided, whether it be true or false and the friends they make  People able to control their desired social status

5. Online Community Participation  Peripheral (Lurker)  Inbound (Novice)  Insider (Regular)  Boundary (Leader)  Outbound (Elder)

6. Internal Social Network (ISN)  Closed/private/invite only  Group of people within a company, association, society, education provider and organization

7. External Social Network (ESN)  Open/public  Niche communities  Generic social networks

8. History of Social Networking Services  Early applications  Usenet, ARPANET, LISTSERV, BBS, EIES  1995  Classmates.com  1997  SixDegrees.com  1999 Epinions.com

9. History of Social Networking Services  2002-2004  Friendster.com  MySpace.com  Bebo.com  Facebook.com

10. Social Software Applications  Communication tools  Capturing, storing, and presentation of communication  Text, audio, video  Asynchronous  Interactive tools  Focus on connection among users  Facilitating mechanics of conversation  Synchronous

11. Text Chats  Client  Internet Relay Chat (IRC)  Chat rooms  Public many-to-many conversation over a network in real time

12. Instant Messaging Services  Web page or client  Private one-to-one conversation over a network in real time

13. Internet Forums  Web page  Public or gated  Users post topics within a category  Other others can review topic and post comments

14. Blogs  Web page  Online journals  Comments  Blogrolls  Inter-blog conversations  Trackback  Pingback

15. Wikis  Web page  Visitors can edit content

16. Social Networking Services  Web page  Personal profiles

17. Commercial Social Networks  Support business transactions  Building trust between individual and brand  Feedback and participation in development

18. Social Guides

19. Social Bookmarking

20. Social Cataloging

21. Social Libraries

22. Virtual Worlds