Introduction

Web 2.0 Technology Atelier

Prof. Cesare Pautasso
http://www.pautasso.info
[email protected]
@pautasso

World Wide Web

On the Web anyone can access, publish, and share hyper-multi-media information
The Web is the next operating system platform for delivering software applications to users
The Web works thanks to open standards

Web Operating System

The network is the computer
http://en.wikipedia.org/wiki/Web_desktop

What is Web 2.0?

Web 2.0 is the business revolution in the computer industry caused by the move to the Internet as a platform

Main Web 2.0 Concepts

The Long Tail
Collective Swarm Intelligence
Network Effects from User Contributions
Software as a Service

Web 2.0 Technology?

Web 2.0 does not imply a new revision of the underlying Web technologies

1.0 vs. 2.0

Publishing	Participation
Homepage	Blog
Content Management	Wikis
Britannica Online	Wikipedia
Dialup	Broadband
Akamai	BitTorrent
Directories (Taxonomy)	Tagging (Folksonomy)
Screenscraping	Web Services APIs
Doubleclick	Adsense
Netscape IPO	Google IPO

Web Development

Professional Web development requires to master technical computer science skills, the art of graphical design, and a good understanding of usability and user requirements

In this atelier you will learn the most important basic technologies related to Web development by exercising them on practical projects

Do not forget that the Web is a medium to deliver content to people

Never loose sight of the message
Always choose the most effective technique to deliver it

Web Architecture

Client/Server architecture with synchronous interaction

Thanks to open standards
any browser can talk to any Web server

Static Web

Dynamic Web

Standards

HyperText Transfer Protocol (HTTP 1.0, 1996 - 1.1, 1999)
HyperText Markup Language (HTML 1.0, 1989 - 2.0, 1994 – 3.2, 1997 – 4.0, 1998 - XHTML 1.0, 2000 – 1.1, 2001, - HTML5, ?))
eXtensible Markup Language (XML 1.0, 1998)
Cascading Style Sheets (CSS 1.0, 1996 - 2.0, 1998 - 3.0, ?)
Portable Network Graphics (PNG 1.0, 1996)
JavaScript (1995 - ECMA-262 Standard 5^th edition 2009)

And their implementation history

Learning HTML

Beginner's tutorials:

by example: whenever you find an interesting page, Look at the source!

Links

http://www.delicious.com/cesare.pautasso/sa3

Subscribe to the atelier feed

References

Tim Berners-Lee, Weaving the Web: The Original Design and Ultimate Destiny of the World Wide Web, Collins, Nov.2000
Robert W. Sebesta, Programming the World Wide Web, Addison-Wesley, 2005
IETF, HTTP/1.1 Standard, RFC2616, June 1999 http://www.ietf.org/rfc/rfc2616.txt
George Gilder, The Information Factories, Wired 14.10, October 2006 – on Cloudware
Jeffrey Zeldman, Designing With Web Standards, Peachpit Press, ISBN 0321385551 - http://www.zeldman.com/dwws/
The Evolution of the Web, http://www.evolutionoftheweb.com/