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What is Web 2.0

First off, these links might help explain it.
ZDNet Whiteboard Session on Web 2.0
The Infamous Wikipedia has something about it
O'Reilly is king with a diagram
If you didnt get it, then this is the Kabaweb explanation.

Kabaweb Web 2.0 : Some History and Evolution


An introducton on Web 2.0

The years following the "dot-bomb" crash resulted in the mundanity of the web. Pages became more like corporate badges, the Flash hype died, and checking email became another ritual. Then something beautiful happened. The web as we know it was Reloaded by the ingenuity of certain websites like Google Maps, Digg, Wordpress, Flickr, Youtube, and Facebook. People made sites that were dynamic (AJAX) in content and functionality. They also allowed the sharing of information between the individual and its community.

Now let us evaluate these technologies through its evolution.

Web 1.0

CGI stands for Common Gateway Interface. It is merely program that can be run to grab dynamic content from your webserver based on what variables you pass through it. CGI most commonly was written with PERL since there was no need to compile. Even through this term is no longer use, the foundation of web applications use the concept of CGI.

Java Applets became popular for items like website Menus. The issue was that Java would have to be loaded on every machine and Java itself took long to load. The majority of consumer sites have stopped using this, however, internets and IT monitoring systems may still use them

Javascript can be easliy mistaken for the java language but they are not the same. It is a truely wonderful set of tools that allow a majority of websites to run. The power of Javascript is that it can manipulate parts of your page and keep state. This means you dont have to refresh. The evolution of Javascript is now AJAX. Javascript is very important and should be used to enhance your page.

Web in Transition

Flash took off after sites like Atom Films used it to market their product. Everyone started using Flash and the pinnacle of its success was when Flash 5 was distributed. By that time, almost all new and current browsers had the Flash Player installed. It proved to be versatile because it was embedded in many forms of media like Real Player, DVD menus, etc. Today, Flash is still popular and widely used, but it is no longer a buzzword. Eventually, Adobe absorbed Macromedia and Flash became just another application. As we see Javascript and AJAX being used to do more interactive things, Flash move to non-web applications.

XML became an important movement since it offered structure and easily identifiable tagging to sections of a markup document. It was 10 times more powerful as HTML. There are even XML databases and certain data transfer takes place with an intially conversion to XML. It is still alive and kicking.

LAMP is the combination of Linux, Apache, Mysql, and PHP(or Python/Perl). Check out my AMP section for details and guides. Most people that want to have dynamic websites use LAMP. Even this site is on LAMP. This is because the technology is completely free.

Web Services including fancy things like SOAP and REST. They are really a cross-site query and response system. An example would be that a Website might make a request for all predicted weather in the US on April Fools Day. It would send a SOAP request and the weather database would only be providing that specific information. It is very handy and still is alive today.

Web 2.0



Rails is a web framework for the Ruby language. It is one of the hottest technologies around. The theoretical concept that it seperates Model(database), View(page), and the Controller(actions,events) makes every piece of writing ruby modular. It is not strongly typed, enabling smaller and easily interpreted code.

AJAX stands for Asynchronous Javascript and XML. It is the hottest the technology today. Actually, it is really a rebirth of Javascript to do more dynamic things than prevously done. One of the obvious uses of Ajax is to process data in the background without a user refreshing the page. There are many AJAX toolkits now that help designers/developers integrate the technology.

Social Networking is really the idea that sites that embrace their community. Also, there is a notion of the Web being a Platform for everything. They do use technologies like AJAX.

Sample 2.0 Links


Web 2.0 Expo
Go2Web20 Web 2.0 Directory
Web 2.0 Validator
YouTube Web 2.0
Web 2.0 List
Web 2.0 Show
Delicious
Technorati
Flickr
Digg
NetVibes


Use a Web 2.0 Browser
Get Firefox

 
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