Enterprise social networking tools are best defined as

tools that create business value by connecting the members of an organization through profiles, updates, and notifications, similar to Facebook features, but tailored to internal corporate uses

a type of website that makes it easy for users to contribute and edit text content and graphics without any knowledge of web page development or programming techniques

online file$-$sharing services that allow users to upload files to a secure online storage site from which the files can be synchronized and shared with others

technology that allows a person to give the appearance of being present at a location other than his or her true physical location