Web 2.0

The web 2.0

The main aim of this lesson is to know the services provided by internet and different types of web. First and first what is web application? Web app is term that refer to application or services on internet. There three generations of web: the first one is the static web. This web allow people to search and read information. They cannot edit the web content. For example Web 1.0 such as AIU website.

Secondly there is the dynamic web: this web allows interactions with people and they can upload or change web content. For example Web 2.0 and Web 3.0 (YouTube, blog, etc.)

In addition Web 2.0 Uses and implement the Application software like Adobe Reader, Adobe Flash player, Microsoft Silverlight, Oracle Java, Windows Media, etc. to make the Web more interactive Web. The best categories for Web 2.0 are online social networking. They are also called aggregators which means they mix and match content from other websites.in order to create web 2.0 a programmer will use 7 languages of programing to communicate the instructions to a computer.

XML= Extensible Markup Language,  it contains structured information including words and pictures

AJAX= acronym referring to Asynchronous JavaScript and XML.  Java script                         

  Some examples of web pages using AJAX is: YouTube, Gmail, Google Maps and most of web 2.0 website

 Tagging: it is about metadata it is part of the nature of Web 2.0. Keyword for a piece of information in Web (Describe the item)

Blogs: short for weblog.it is informal website (articles, diary, journal) a shared on-line journal where people can post diary entries about their personal experiences and hobbies

Wiki: a collaborative website that allows users to create, add, modify or delete                 website content via their web browser. Many wikis are open to modification by public. A popular wiki are Wikipedia and Web encyclopedia

RSS (RSS 2.0) Really Simple Syndication. RSS is a technology that is being used by millions of web users    around the world to keep track of their favorite websites. Examples RSS Reader= Google reader, Blog lines

Podcasting and Video casting

                -  Digital media consist of (audio, video)

                - Technology in web 2.0

                - download/upload digital media (online)

For example: use the iTunes free software to subscribe to a                       specific podcast.              

  And lastly Web 3.0 which is about semantic web. It is based on intelligent web applications using: Machine-based learning reasoning and intelligent applications. Examples: Decision Support System, Expert System portal.