The term "Web 2.0" (2004–present) is commonly associated with web applications that facilitate I nformation sharing, interoperability, user-centered design and collaboration on the World Wide Web.
Information sharing - Traditional information sharing referred to one-to-one exchanges of data between a sender and receiver.
I nteroperability - The ability of diverse systems and organizations to work together (inter-operate).
User-centered design - Is a design philosophy and a process in which the needs, wants, and limitations of end users of an interface or document are given extensive attention at each stage of the design process.
Collaboration - Is a recursive process where two or more people or organizations work together in an intersection of common goals