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!
How many of you use ... self-presentation: why we all are here?
the Web Intro: http://www.youtube.com/watch?v=-4CV05HyAbM (Information Revolution) http://www.worldofends.com
The Internet isn't complicated
The Internet isn't a thing. It's an agreement
The Internet is stupid
Adding value to the Internet lowers its value
All the Internet's value grows on its edges
Money moves to the suburbs
The Internet has three virtues:
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 )
the curve follows the 2009 crisis and the current recovery
big increment in 2011: see http://news.netcraft.com/archives/2011/
the Web today KeyTrends from http://www.readwriteweb.com/ :