Web 2.0 is which has the features of sharing the information, dynamic in nature, good designed, should help to communicate. For eg: Feedback facility, blogging, bookmarking, etc. Web 2.0 is, in fact, essential to modern SEO.
Web 2.0 factors are use in Off-page submission looking like a post submission also your meta content submission all blogging sites you can told to web 2.0 submission.
According to Google definition, web 2.0 means a loosely defined intersection of web application features that facilitate participatory information sharing, interoperability, user-centered design, and collaboration on the World Wide Web.
I am also having a tough time understanding what exactly web 2.0 is. I saw the Wikipedia article but there's too much information to dig into, it drives me crazy so I didn't bother with it.
I understand it this way: Web 1.0 was static. It went one way, kind of like a book. People log on, find information, absorb it, and that's it. Web 2.0 isn't static, it's interactive. People can interact with websites and each other. The internet no longer just goes one way. It goes two ways. Web 2.0 is an easy idea to take for granted because we are so accustomed to web 2.0, but there was a time when the web wasn't nearly as fascinating as it is today.
Web 2.0 is the term given to describe a second generation of the World Wide Web that is focused on the ability for people to collaborate and share information online.
Web 2.0 is the term provides to explain a new creation of the www that is focused on the skill for people to work together and allocate information online. This web 2.0 essentially refers to the conversion from static html pages to a more and more dynamic pages that is more prepared and is based on serving website submission to users.
Web 2.0 is a loosely defined intersection of web application features that facilitate participatory information sharing, interoperability, user-centered design, and collaboration on the World Wide Web.
The most interesting feature . In short way if your website is follow or support web 2.0 properties it will increase your traffic. Web Designers use and SEO ask about the web 2.0 properties for the traffic.
I think web 2.0 means creating profiles and hub of other information for increasing the site traffic.