What is Web 2.0 ?
Web 2.0 is a term describing the trend in web design and development which is more than a set of ‘cool’ and new technologies and services that aims to enhance creativity, emphasize collaboration and sharing among users. It is a new way of communicating using the World Wide Web and focuses on building communities where people come together to share their ideas, passions and interests.

Introducing Ten (10) most popular key elements of “Web 2.0″. All the features and functionality are explain detail below:

1) Tag
Tagging is the process of labeling a piece of content with metadata. It’s like a set of keywords example: dog training, “dog” & “training” keywords can be separate into two different tag, and is easy to navigate by user.

2) Ajax
When i first heard about “Ajax”, i doesn’t know what is it & can’t find in my dictionary. “Ajax” is actually stand for “Asynchronous JavaScript And XML”, is a Web development technique for creating interactive Web applications. The combination of this powerful code allowed any part of the contents of web page to be updated or changed without the entire page being reloaded. It increase the usability, interactivity and speed of loading a Web pages. Example: Google Maps, Google Gmail, Google Labs.

3) RSS
RSS is stand for Really Simple Syndication. RSS Feeds is written in XML format for distributing news headlines and other content on the Web. It is a common feature in Blogs and any web 2.0 web service, it is so famous and allow users to subscribe to and get instant updates of content that interests them. Nowadays, most user would rather use RSS Feed to subscribe in their Internet Browser instead of “bookmark it/add to favourite”.

4) Creative Commons
Creative Commons is a non-profit organization which has released several copyright licenses known as “Creative Commons licenses” used to facilitate and encourage more versatility and flexibility in copyright.

5) Mash-up
Mash-up is a service that combines data from two or more from different type of web applications or services, and combines them to create a new web service.

6) Wiki
Wiki is a type of collaborative website that allows multiple users to easily create, edit, updated and organize web page contents, without having to learn HTML code at all.

7) Open source
Open source is a general term describing the source code under licenses guaranteeing anybody rights to freely use, modify, and redistribute the code. A lot of programming code like PHP, Perl, Ruby and Python are open-source.

Ruby-on-Rail
Ruby-on-Rail is a web application framework written using the Ruby programming language, Ruby is also highly dynamic, allowing to change classes and to introduce new methods at runtime. It aims to increase the speed and ease with which database-driven web sites can be created

9) Public Beta
Base on continuously rising of web2.0 websites, you will notice lot of new developed site is under “Public Beta” version. You can imagine that coming will be a lots of new updated & improved features added.

10) Social Network
Social Network website is a kind of online communities website focus on connecting people, individuals or groups with common interests, goals, or people to interact.

I’m sure that more & more great web2.0 features will be add on.

Let’s share with us any web 2.0 elements… appreciated if you could left your comment down here..