In 2004 the term “Web 2.0” was originated by O’Reilly Media. The “2.0” means that this is the second generation of Web usage. Web 2.0 has created a variety of new and innovative ways to promote Web sites using social bookmarking, social networking, blogging, wikis, RSS Feeds and video feeds. These all allow and encourage user interaction, thus the term “social” is often involved.
The advent of Web 2.0 created new opportunities for Web site operators to gain traffic and search engine placement for their sites. Using the right techniques, and avoiding common pitfalls, can help build traffic for your site and gain it higher placement in search results.