Presented by Jiří Brabec
There’s no exact definition. Many definitions emerged at conferences about web 2. A suitable way to describe web2 is using keywords.
Unlike web 1.0, where web pages are built as rigid documents, web 2.0 pages are built to behave more like an application (the Internet is so called a new application platform) for example gmail.com, webmail service.
RIA – rich Internet application (drag-n-drop, flash, interactivity)
No reload of whole page is needed to change its appearance and content. Interactive features such as drag and drop are implemented.
Drag-and-drop– a mechanism that allows a user to select something in one window and drug the selection to another window.
APP (app) – an abbreviation for application
Mashups are webs where existing applications are used as a base for additional information (Google maps). This is possible through API.
API – application programming interface, exposure of application functionality to other subjects
Users participation on content
Community, social websites
Users are connected by unity of their interest (forums of all kinds, facebook, twitter).
Tags/keywords (del.icio.us, digg, linkuj.cz)
Web 2 apps use keywords (tags) to identify and sort content. Users sort out interesting and valuable content themselves.
Content and form separately (xml)
Often you can find exactly the same news on several websites in different design. For example, photos and formatting can be removed. This is useful for mobile devices, rss feeds.
Unique content (sound, video, user comments on goods)
Successful Web 2.0 project must aggregate some unique information updated by users as seen on wikis.
myspace.com, last.fm, ebay.com
Collective intelligence – can be considered a form of networking enabled first of all by Web 2.0. Collective Intelligence contributes to enhance the social pool of existing knowledge quantitatively and qualitatively.
Dialogue of two persons: one-to-one
Public speech: one-to-many relationships
Web 2.0: many-to-many relationships – new medium (advanced technology needed)
Many new features of web are emerging. Developers predicts even web 4.0 version.
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