Web 2.0!

Web 2.0 is used to refer the second generation of web based in communities of users and special services like: social networks, blogs, wikis... and more things, they foment the collaboration.

So we can understand thet web 2.0 is all of the utilities and services of internet, that they are sustained in a data base, so the users of the service can modify its content ( add, change or delete information or associating data at the existing information), in the form of presentation, or in its content and in its simultaneously form.

And in the future the web 2.0 is going to do multiple opportunities of business.

Credits: wikipedia, telefonica's page.