1. Mass Communication WeeSan Lee weesan@cs.ucr.eduweesan@cs.ucr.edu

2. Roadmap Mailing Lists Newsgroups RSS Blogs

3. Mailing Lists Email-based discussion groups Emails sent to the mailing list are delivered to those who subscribe to the list Can be moderated or unmoderated  Moderator decides if a message gets posted to the list or not Keep the discussion on topic Keep SPAMs out Can be restricted or open  Moderator or list owner approves subscriptions

4. Mailing Lists (cont) For examples  Professional organizations ietf@ietf.org  Common interests ucr-free-food@googlegroups.com  Annoucement announcements@student.ucr.edu

5. Mailing List or Newsletter? Mailing list is 2-way communication  Subscribers can post and receive messages Newsletter is 1-way  Subscribers can only receive messages

6. Mailing Lists - Management Management software, for example  LISTSERV Created by Eric Thomas who founded L-Soft http://www.lsoft.com/ Search: http://www.lsoft.com/catalist.htmlhttp://www.lsoft.com/catalist.html  Majordomo Developed by Brent Chapman http://www.greatcircle.com/majordomo/  Mailman http://www.list.org/

7. Mailing Lists - Subscription Subscribe to a mailing list of interest Receive a confirmation Reply to the confirmation For example  cs6@lists.cs.ucr.edu cs6@lists.cs.ucr.edu Web interface  https://fenris.cs.ucr.edu/mailman/listinfo/cs6 https://fenris.cs.ucr.edu/mailman/listinfo/cs6

9. Mailing Lists - Subscription Email interface  Send an email to cs6-request@lists.cs.ucr.edu with ‘subscribe’ in the subject or bodycs6-request@lists.cs.ucr.edu Date: Wed, 07 Nov 2007 17:41:47 -0800 From: cs6-request@lists.cs.ucr.edu To: weesan@cs.ucr.edu Subject: confirm 9277355af0e052decdcdd87bd52fb13986eb9464 Mailing list subscription confirmation notice for mailing list Cs6 We have received a request from 138.23.200.37 for subscription of your email address, "weesan@cs.ucr.edu", to the cs6@lists.cs.ucr.edu …

10. Mailing Lists - Sending messages Send your messages to cs6@lists.cs.ucr.educs6@lists.cs.ucr.edu You messages will reach every subscribers of the list (including yourself) Follow the guideline from RFC1855  Keep the welcome message  Observe before sending/posting messages If the list is moderated, your message might be delayed

11. Mailing Lists - Unsubscription Web interface  https://fenris.cs.ucr.edu/mailman/listinfo/cs6 https://fenris.cs.ucr.edu/mailman/listinfo/cs6

13. Mailing Lists - Unsubscription Email interface  Send an email to cs6-request@lists.cs.ucr.edu with ‘unsubscribe’ in the subject or bodycs6-request@lists.cs.ucr.edu Date: Wed, 07 Nov 2007 17:51:39 -0800 From: cs6-bounces@lists.cs.ucr.edu To: weesan@cs.ucr.edu Subject: You have been unsubscribed from the Cs6 mailing list

14. Mailing Lists - Misc Help  You may also get help by sending email to cs6- request@lists.cs.ucr.edu with “help” in the subject or bodycs6- request@lists.cs.ucr.edu Digest Mode  Emails to the list are consolidated into a single email once a day or per week Archives  Old messages can be accessible

16. Mailing Lists - Web-based Groups Yahoo! Groups  http://groups.yahoo.com/ http://groups.yahoo.com/ Google Groups  http://groups.google.com/ http://groups.google.com/

17. Newsgroups

18. Developed by Tom Truscott & Jim Ellis from Duke University in 1979 A newsreader client is needed to read and post messages to the newsgroups News servers are distributed The network of newsgroup was called Usenet Use NNTP protocol to sync news  Network News Transport Protocol

19. Newsgroups - Organization ~100,000 newsgroups available For example  comp.os.linux.setup  comp.virus  soc.history.science  talk.politics.theory

20. Newsgroups - Organization 8 mainstream Usenet groups  comp.Computer related topics  humanities.Fine art, literature, and philosophy  misc.Employment, health and misc.  news.Information about Usenet news  rec.Recreations, games, sports, etc  sci.Applied and social science  soc.Social issues and culture  talk.Current issues and debates

21. Newsgroups - Organization Other groups  alt.  biz. .. Binaries  alt.binaries.pictures.autos

22. Newsgroups - Web-based newsreader Google Groups  http://groups.google.com/ http://groups.google.com/  Google indexes newsgroups and thus searchable

25. Newsgroups - Threading Thread  A thread is a discussion, and replies to the same topic are organized together

26. Newsgroups - Regular newsreader For example  Mozilla Suite  MS Outlook Before reading the message from a newsgroup, one has to subscribe to it

27. Newsgroups - Posting a message Posting a message to a newsgroup is like writing an email to the newsgroup Follow the guideline from RFC1855  Read the FAQ  Avoid flame wars  Be aware of copyright issues  No ads

28. RSS

29. Rich Site Summary Really Simple Syndication An xml-based method of sending headlines of sites to your desktop Netscape developed RSS in 1991 Subscription is needed

30. RSS - Reader Firefox  http://www.mozilla.com/ Opera  http://www.opera.com/ http://www.opera.com/ FeedReader  http://www.feedreader.com/ http://www.feedreader.com/

32. Blogs

33. Personal web diaries and journals AKA Web logs For example  http://www.blogger.com/ http://www.blogger.com/