1. A method for generating a user-sharable network user interface, comprising: displaying a management interface for allowing a first end user to select and manage information displayed on an information screen of a habitat, wherein the management interface includes information of at least one content source; allowing the first end user to select portions of the information available in the at least one content source; marking the selected information of the content source by determining an invariant descriptor of the selected information, the invariant descriptor including a description of a location of the selected information within the content source and distinguishing attributes of sub-sections of the content source that contain the selected information, wherein the description of the location includes a unique identifier of a table in the content source that contains the selected information and a position of the selected information within the table, the position including a specified row and column of the table, and wherein the distinguishing attributes include headers of the table, a number of columns in the table, fonts used in the table, and a border width of the table; storing the marked information by storing the invariant descriptor; retrieving the marked information using the invariant descriptor; displaying the marked information on the information screen, wherein the information screen includes at least one view, wherein each view contains at least one window for displaying the marked information; checking a permission status of a second end user for determining whether the second end user is authorized to see a window containing information selected by the first end user; and allowing the second user to view a window of the information screen if the second user is authorized; wherein the invariant descriptor is converted into a hyperlink that contains the selected information and the invariant descriptor or a hyperlink to the selected information and the invariant descriptor.