Web 2.0 blog, wiki, tag, social network: what are they, how to use them and why they are important
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 )
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, ...
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!
The Internet has three virtues: </li></ul>a. No one owns it b. Everyone can use it c. Anyone can improve it
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:
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/
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
the Web today World web sites – 1995-2011 ( http://www.netcraft.com ) <ul><li>the curve follows the 2009 crisis and the current recovery
big increment in 2011: see http://news.netcraft.com/archives/2011/ </li></ul>
the Web today KeyTrends from http://www.readwriteweb.com/ : <ul><li>Location (eg http://www.google.com/support/websearch/bin/answer.py?answer=179386
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
Internet of things: http://blogs.cisco.com/news/the-internet-of-things-infographic/
qq.com (cn social network ) </li></ul><ul>R.Polillo - Ottobre 2010 </ul><ul>from www.alexa.com see update at: </ul><ul>http://www.alexa.com/topsites </ul><ul>(also by Country, by Category) </ul><ul>Agosto 2010 </ul><ul><li>Google.com