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For Web 2.0 we mean “second generation” web, based on user transformation from passive reader to active content generator and author, as well as on online communities building processes and generally, on all those interaction activities promoting sharing of knowledge and cooperation among users. This definition implies a shift in the way of living and using the web, looking at it through a “user generated content” perspective. Web 2.0 is based on the possibility of sharing data among different technological environment and platforms, both hardware and software, thanks to the introduction of new dynamic technologies (XML, AJAX, RSS, etc.).
Target:
Each user becomes an author, an active participant, regardless from tools or device used to access the network.
Here under some application and examples of what Web 2.0 is:
- Blogs, real meeting places to interact posting articles, thoughts, comments and discussions (text, images, audio and video)
- On line communities where users gather, share and exchange files (i.e. www.flickr.com where each user may store its photos and pictures and let other users access to them)
- Environments to share information, entertainment, experiences in video format. Youtube is undoubtely the most known and successful example.
- On-line encyclopaedias, as the well-known Wikipedia, where user can give its contribute to the updating of definitions, adding information and opinions.