Web 1.0 did not allow Web users to add or modify information contained in Web sites. Users only had the ability to use Web sites to gather information. The Web 2.0 environment allows Web site visitors to make contributions and changes to existing Web content and to interact with other members of those Web sites.
What will a ubiquitous networking system do?
Answered by Science Channel
Is the Internet responsible for information overload?
Answered by Jim St. Leger
What factors determine page rank in Google?
Answered by Planet Green