web 2.0

We are living a real revolution of internet. Not really in technology way, but in the uses.

In Web 1.0, a small number of writers created Web pages for a large number of readers. As a result, people could get information by going directly to the source: Adobe.com for graphic design issues, Microsoft.com for Windows issues, and CNN.com for news. Over time, however, more and more people started writing content in addition to reading it. This had an interesting effect—suddenly there was too much information to keep up with! We did not have enough time for everyone who wanted our attention and visiting all sites with relevant content simply wasn’t possible. As personal publishing caught on and went mainstream, it became apparent that the Web 1.0 paradigm had to change.

Enter Web 2.0, a vision of the Web in which information is broken up into “microcontent” units that can be distributed over dozens of domains. The Web of documents has morphed into a Web of data. We are no longer just looking to the same old sources for information. Now we’re looking to a new set of tools to aggregate and remix microcontent in new and useful ways.
Web 2.0 refers to a second generation of internet, based on services, such as social networking sites.
People collaborate and share information online. It is a social phenomenon in the approach of the web, wich is now tending to be free and decentralized.

We can find many examples of websites reflecting these new attitudes towards internet.

in communication : skype. fr wich is a free way to communicate through the computer.
in auctions websites : ebay.fr a real community of seller and buyers
in information : wikipedia, which is the perfect illustration of what is web 2.0 : a collaboration of people in a same aim.
But there are many others : blogs, podcasts, etc...