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Web2.0 2012 - lesson 1

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First lesson Web 2.0 2011/2012 …

First lesson Web 2.0 2011/2012
University of Camerino

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  • 1. Web 2.0 blog, wiki, tag, social network: what are they, how to use them and why they are important
  • 2. This material is distributed under the Creative Commons "Attribution - NonCommercial - Share Alike - 3.0", available at http://creativecommons.org/licenses/by-nc-sa/3.0/ . Part of the slides is the result of a welcome distance collaboration with prof. Roberto Polillo, University Milan Bicocca ( http://www.rpolillo.it )
  • 3. Program * Introduction, course program and start course tools * New Web trends * The "old" Web and Web 2.0 * Web 2.0 in general * What is a blog * Microblogging - Twitter * What is a wiki * Wikipedia in theory and in practice * Technical Web 2.0 Specifications (Ajax, RSS, ...) * Tagging and social networks (Flickr, facebook, ...) in theory and in practice * The Google World: the algorithm, docs.google, Android, ... * Web 2.0 and Social characteristics : users number and characteristics * Social bookmarking and mash-up in theory and in practice Some theory: * Metcalfe's Law, Reed and Pareto, power curves, long tail, network theory, ...
  • 4. Presentation Course organization: Web 2.0 and others about communication Web 2.0 experiences: blogs, wikis and social networks (R/W) Use of 2.0 tools for the course: starting from the wiki http://camerino20.wiki-site.com/index.php Evaluation based on - your work during lessons - exercises on web sites of the course - final presentation of your work (use “understandable” nicknames!) Language: if you have any doubt or any question: please stop me!
  • 5. Presentation How many of you use ... self-presentation: why we all are here?
  • 20. the Web Intro: http://www.youtube.com/watch?v=-4CV05HyAbM (Information Revolution) http://www.worldofends.com
    • The Internet isn't complicated
    • 21. The Internet isn't a thing. It's an agreement
    • 22. The Internet is stupid
    • 23. Adding value to the Internet lowers its value
    • 24. All the Internet's value grows on its edges
    • 25. Money moves to the suburbs
    • 26. The Internet has three virtues:
    a. No one owns it b. Everyone can use it c. Anyone can improve it
  • 27. the Web Tim Berners-Lee (1995): "I just had to take the hypertext idea and connect it to the TCP Protocol and Domain Name System ideas and – Ta-da! – the World Wide Web!” basic architecture:
  • 28. the Web today http://www.internetworldstats.com/stats.htm http://www.hitwise.com/us/resources/data-center Net Neutrality: - "dumb, minimal network" with smart terminals, vs. the previous paradigm of the smart network with dumb terminals - no data discrimination (all bits are equal) - access freedom http://en.wikipedia.org/wiki/Network_neutrality http://www.savetheinternet.com/
  • 29. web history (by Polillo) CERN World Wide Web Mosaic (NCSA) W3C by Tim Berners-Lee Netscape IPO, MS IE, Amazon, eBay NASDAQ Boom and fall Google IPO; Firefox WEB 1.0 WEB 2.0 crisis prehistory AOL buys Netscape; Google start 9/11 Napster Financial Crisis crisis 91 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 90
  • 30. the Web today World web sites – 1995-2011 ( http://www.netcraft.com )
    • the curve follows the 2009 crisis and the current recovery
    • 31. big increment in 2011: see http://news.netcraft.com/archives/2011/
  • 32. the Web today KeyTrends from http://www.readwriteweb.com/ :
    • Location (eg http://www.google.com/support/websearch/bin/answer.py?answer=179386
    • 33. App Stores: http://www.apple.com/mac/app-store/ ma anche https://market.android.com/?hl=en e http://www.amazon.com/mobile-apps/b?ie=UTF8&node=2350149011
    • 34. Internet of things: http://blogs.cisco.com/news/the-internet-of-things-infographic/
    • 35. Mobile: next lesson
    • 36. Structured Data: Open (LInked) Data - final lesson
  • 37. the Web today Top Web sites
    • http://news.bbc.co.uk/2/hi/technology/8562801.stm
    More data on the Web:
    • http://www.itu.int/ITU-D/ict/
    • 38. press: http://www.itu.int/net/pressoffice/stats/2011/03/index.aspx
  • 39. the Web today
      Agosto 2009
      R.Polillo - Ottobre 2010
      from www.alexa.com see update at:
      http://www.alexa.com/topsites
      (also by Country, by Category)
      Agosto 2010
      2005
  • 77. exercise 1
    • Send me (carlo.vaccari@unicam.it) a mail with your name and surname
    • 78. Go to the wiki http://camerino20.wiki-site.com/index.php/Pagina_principale define a user to access
    • 79. Create your personal page page in the wiki and add infos about you and links to your websites
    • 80. In your page you will write ALL practices and exercises: start writing there what are your expectations by the course (needs, interests, ...)

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