INTRODUCTION

What is Web 2.0?
Web 2.o refers to free or low cost interactive web based services that help people share information and collaborate online more easily than with earlier tools.

Web 2.0 is a term that people loosely apply to these new, easier to use web-based tools for content creation (also known as user generated content), connecting with people (also known as social networking), collaboration and many other forms of people to people interaction.