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Web 2.0 in 30 Minutes or Less

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Teaching presentation 4/28/2009

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Web 2.0 in 30 Minutes or Less

  1. 1. Web 2.0Web 2.0 in 30 Minutes or Lessin 30 Minutes or Less Concepts & ToolsConcepts & Tools OverviewOverview Melissa Cardenas-DowMelissa Cardenas-Dow melissa.cardenasdow@gmail.commelissa.cardenasdow@gmail.com Presentation: April 28, 2009Presentation: April 28, 2009
  2. 2. AgendaAgenda  Parameters: What we’re going to do, what weParameters: What we’re going to do, what we can’t and what we won’tcan’t and what we won’t  What is Web 2.0?What is Web 2.0?  Web 2.0Web 2.0  Key conceptsKey concepts  Tools: blogs, RSS, feeds and readers, wikisTools: blogs, RSS, feeds and readers, wikis  Conclusion: So what? Why do these matter?Conclusion: So what? Why do these matter?
  3. 3. ParametersParameters  Just a tour: Conceptual overviewJust a tour: Conceptual overview  A lot of ground, very limited timeA lot of ground, very limited time  Broad strokes leave off detailsBroad strokes leave off details  My particular perspectiveMy particular perspective  Points of detailPoints of detail  points of contentionpoints of contention  Purpose: introPurpose: intro  description, backgrounddescription, background  No opportunities to explore and applyNo opportunities to explore and apply
  4. 4. What is Web 2.0?What is Web 2.0?  Michael Wesch,Michael Wesch, Asst. Prof. of CulturalAsst. Prof. of Cultural Anthropology, KansasAnthropology, Kansas State UniversityState University  YouTubeYouTube video, “Thevideo, “The Machine is Us/ing Us”Machine is Us/ing Us” Uploaded: March 8,Uploaded: March 8, 20072007
  5. 5. Let’s break it down…Let’s break it down…  What is Web 2.0?What is Web 2.0?  depends on who youdepends on who you askask  Wait…Wait… If there’s a Web 2.0…If there’s a Web 2.0… What’s Web 1.0?What’s Web 1.0?  Who?  The usual suspects  Computer industries  Information industries  Those who use/are interested in  Human activities, events  Human creations  Human institutions
  6. 6. Let’s break it down…  Key concepts:  Individual production & user-generated content  Harnessing the power of the crowd  Data on an epic scale  Architecture of participation  Network effects  Openness -- Dr. Linda Main, SJSU-SLIS, LIBR 246-15 class, Fall 2007
  7. 7. Let’s break it down…  In sum, Web 2.0 is online…  …collaboration  …contribution  …community  Focus is on the user  Read-and-Write Web – Web as Platform
  8. 8. Individual Production & User-Generated Content  Rising model of information production- dissemination-consumption cycle  2-way / multi-way conversation2-way / multi-way conversation  Questions who has authority to say, to knowQuestions who has authority to say, to know  Experts vs. AmateursExperts vs. Amateurs
  9. 9. Individual Production & User-Generated Content  Some toolsSome tools  BloggerBlogger  RSS feeds, readersRSS feeds, readers  YouTubeYouTube  FlickrFlickr  DeliciousDelicious
  10. 10. Individual Production & User-Generated Content  Some definitions  Blog  Web log or diary; a web page organized chronologically  Characteristics: chronological organization, easy to set up, update  Describes format, not content  Exs: Armacost Library, TechDirt, Chronicle of Higher Education
  11. 11. Individual Production & User-Generated Content  Some definitions  RSS  Really Simple Syndication  Standardized feed format  Allows form and content to be separated  Based on XML  Allows for easy dissemination of frequently updated Web documents  Users can subscribe to a page, receive notifications of updates  RSS Reader exs: Bloglines, Google Reader
  12. 12. Individual Production & User-Generated Content
  13. 13. Individual Production & User-Generated Content
  14. 14. Harnessing the Power of the Crowd  Crowdsourcing, collective intelligence, the wisdom of the crowd  Depends on collaboration – the social aspect of the web  Questions authorship, ownership, intellectual property rights
  15. 15. Harnessing the Power of the Crowd The central principle behind the success of the giants born in the Web 1.0 era who have survived to lead the Web 2.0 era appears to be this, that they have embraced the power of the web to harness collective intelligence. -- Tim O’Reilly, “What Is Web 2.0,” 09/30/2005
  16. 16. Harnessing the Power of the Crowd  Wikipedia – prime example  Wiki  A web site/page that can be easily edited by anyone who is allowed access  ‘wiki’ – Hawaiian for ‘fast’
  17. 17. Harnessing the Power of the Crowd
  18. 18. Harnessing the Power of the Crowd  Social bookmarking  Users choose terms to associate Web pages/sites  Users organize information themselves  Activity: ‘tagging’  Result: ‘folksonomies’  Ex: Delicious
  19. 19. Harnessing the Power of the Crowd  Twitter  Social networking, micro-blogging service  Users send, read updates or ‘tweets’  Ex: Play Machinima Law Conference @ Stanford Law School CIS, April 24-25, 2009  http://cyberlaw.stanford.edu/  http://search.twitter.com/search?q=%23pml
  20. 20. Data on an Epic Scale  Explosion of Information  Acceleration & Increase  Production  Dissemination  Distribution  Affects new and old media  Challenges established assumptions of order
  21. 21. Architecture of Participation  Design encourages participation, contribution, lowers barriers  Based on ‘open’ principle  Opens up production to all users  Exposes data for reuse and recombination, ‘mash-up’  Questions ownership, intellectual property rights
  22. 22. Architecture of Participation  Design implies continuous improvement  perpetual ‘beta’perpetual ‘beta’  Design ramps up ‘Web as Platform’Design ramps up ‘Web as Platform’  Questions perfectionism, established rules of order, software release life cycle
  23. 23. Network Effects  More participation  better tool, servicebetter tool, service  Wikipedia entry for network effectWikipedia entry for network effect  Critical mass must first be achieved  Ex: Wikipedia
  24. 24. Network Effects Power Laws & The Long Tail  Power Law – mathematical concept, frequency distribution  “80/20 Rule”  Power law distribution graphs tend to have long tails
  25. 25. Network Effects Power Laws & The Long Tail  The Long Tail – business strategy coined by Chris Anderson, Oct 2004  remove physical barriers, demand for niche products are actually high  Ex: Amazon.com
  26. 26. Network Effects We are moving towards a culture and economy in which the huge numbers of people who do (or can) participate in the niches of the Long Tail really matter. -- Dr. Linda Main, LIBR 246-15,SJSU-SLIS Fall 2007
  27. 27. Openness  Open source  Open access  Open API (Application Programming Interface)  Exposes data  Free to use, access and remix  Services  Data  Questions ownership, intellectual property rights
  28. 28. Openness  Also an attitude or outlook…  Trust  Play
  29. 29. Let’s recap…
  30. 30. Let’s recap… We shape our tools and thereafter our tools shape us. -- Marshall McLuhan, 1964, Understanding Media: The Extensions of Man
  31. 31. So what?
  32. 32. So what?  It’s here, it’s now  What’s next?  Mobile services, SMS technology  What will happen to familiar formats, processes, institutions?
  33. 33. So what?  It’s changing things  But what is it again?  Is this a publishing revolution?  To what extent?  Is it a revolution at all?
  34. 34. So what?  ‘Teaching the Machine’  The semantic Web  Depends on us  ‘The Machine is Us/ing Us’  Presents us with challenges, opportunities  Will we rise to meet them?
  35. 35. Extend yourself…  Explore Web 2.0  Read blogs  Read & write comments  Tag, review something  Start an account or two…  Use the Web as Platform  Participate!
  36. 36. Extend yourself…  Connect  With me  Email: melissa.cardenasdow@gmail.com  Facebook  Twitter: http://twitter.com/micdow  Google Talk  Further Learning list available  Colleagues  Old friends, acquaintances  Make new contacts
  37. 37. This work is licensed under the CreativeThis work is licensed under the Creative Commons Attribution-Noncommercial-Commons Attribution-Noncommercial- Share Alike 3.0 Unported License.Share Alike 3.0 Unported License. To view a copy of this license, visitTo view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sahttp://creativecommons.org/licenses/by-nc-sa/ or send a letter to Creative Commons,or send a letter to Creative Commons, 171 Second Street, Suite 300, San171 Second Street, Suite 300, San Francisco, California, 94105, USA.Francisco, California, 94105, USA.

Teaching presentation 4/28/2009

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