68. A system as claimed in claim 37 , wherein the facets being defined by a community of users include: users defining types of facets, and users suggesting new categories of information and defining corresponding facets.
68. A system as claimed in claim 37 , wherein the facets being defined by a community of users include: users defining types of facets, and users suggesting new categories of information and defining corresponding facets. 70. A system as claimed in claim 68 , wherein respective values of facets are determined by any one or combination of user community activity and user community-entered information continuously tallied over time.