Web 2.0: Evolution Towards a Read/Write Platform
Web 2.0: Evolution Towards a Read/Write Platform Browsers, RSS Readers, anything Web browser “ dynamic” “ static” “ Post / record” “ Page” “ Web Services” “ Client Server” “ Write” & Contribute “ Read” Web 2.0 (2003- beyond) Web pages, plus a lot of other “content” shared over the web, with more interactivity; more like an application than a “page” Web 1.0 (1993-2003) Pretty much HTML pages viewed through a browser
What is Web 2.0? How to recognize a Web 2.0 product?
Network as platform — delivering (and allowing users to use) applications entirely through a browser.
Users owning the data on a site and exercising control over that data.
An architecture of participation that encourages users to add value to the application as they use it.
A rich, interactive, user-friendly interface based on Ajax or similar frameworks.
Some social-networking aspects.
Combines and integrates services and content from other products.
An XML standard provides structure and semantics to the content
Allows for publishing and subscription to specific information (channel)
Content is both human and machine readable
The content can be reused in different ways
Is delivered to the users when and how they wanted.
Flickr A social network for sharing photos Flickr combines a social network with user generated content. Users can work together to collaborate on photo projects and use each others’ tags to find new photos. Flickr also has an API for web services to integrate photo collections with blogs and other apps.
Del.icio.us A floksonomy site that organize bookmarks A “folksonomy” is a spontaneous, collaborative work to categorize links by a community of users. Users take control of organize the content together.
Facilitates the development of communities of interest and expertise – can see who else is interested in your “topic” and the sites they have bookmarked.
Semantically classified tags – tags are chosen by human beings who understand the content and rank the bookmarks by their perceived utility as opposed to search engine algorithms used by internet search engines
Excellent way to locate “communities of expertise”
The ability to group related tags under a category heading chosen by the user
Sharing tags with students to facilitate active learning
Wikis A Wiki is a server program (called CMS) that allows users to collaborate in forming the content of a Web site. With a wiki, any user can edit the site content, including other users' contributions, using a regular Web browser. Basically, a wiki Web site operates on a principle of collaborative trust.
Wikipedia A collaborative encyclopedia edited in realtime by anyone
RSS A new way of receiving content RSS (Really Simple Syndication) is an emerging technology which enables users to get “feeds” of data from content publishers via a browser or special newsreader tool. Items come to user free of spam, on-demand, and in an easy to digest format