9. A method of categorizing a plurality of objects which together comprise an object set; said method comprising the steps of: a) storing a categorization value for an object in said object set, wherein the plurality of objects are Web pages of an Internet environment; and b) storing a global rating value for all objects in said object set; wherein said categorization value is stored in an HTTP header, said categorization value includes META-tag information, wherein said META-tag information is represented by a PICS label having said categorization value and a degree value, and said modifying step modifies said global rating value by inserting, deleting and updating said META-tag information in said HTTP header; and c) selectively recalculating said global rating value, said global rating value being a calculation of all categorization values in said object set, if at least one of a) said categorization value of any object in said object set is altered, b) at least one additional object is added to said object set, and c) at least one of said plurality of objects is deleted from said object set.
9. A method of categorizing a plurality of objects which together comprise an object set; said method comprising the steps of: a) storing a categorization value for an object in said object set, wherein the plurality of objects are Web pages of an Internet environment; and b) storing a global rating value for all objects in said object set; wherein said categorization value is stored in an HTTP header, said categorization value includes META-tag information, wherein said META-tag information is represented by a PICS label having said categorization value and a degree value, and said modifying step modifies said global rating value by inserting, deleting and updating said META-tag information in said HTTP header; and c) selectively recalculating said global rating value, said global rating value being a calculation of all categorization values in said object set, if at least one of a) said categorization value of any object in said object set is altered, b) at least one additional object is added to said object set, and c) at least one of said plurality of objects is deleted from said object set. 12. The method of categorizing a plurality of objects as recited in claim 9, wherein said PICS label further includes a billing value, and said method further includes the step of recording each said billing value.