It is the term used to describe the dynamic web applications that allow people to collaborate and share information online. The biggest and characteristic impact is the shift in the users’ role from passive consumer of content to its creator.
Web 2.0 is a revolutionary process that is changing the World Wide Web, electronic commerce, and business in general.
SOCIAL SOFTWARE
Also known as social media; refers to the Web 2.0 applications allowing people to communicate, interact, and collaborate in various ways. For instance: Wikipedia and Facebook.
ENTERPRISE 2.0
Refers to the use of Web 2.0 techniques and social software within a company’s boundaries or between a company and its customers or stakeholders.
COLLECTIVE INTELLIGENCE
It is a concept based on the notion that distributed groups of people with a divergent range of information and expertise will be able to outperform the capabilities of individual experts.
Management Information Systems 