1. A computerized method comprising: using one or more computer processors programmed to perform the operations of: receiving a criterion, said criterion identifying an item; searching a database for data associated with a geographic distribution of demand for the item identified by the criterion, the data associated with a geographic distribution of demand for the item including statistics derived from listing logs of a commerce system, the statistics being related to an implicit demand and a satisfied demand for the item, the implicit demand comprising an indication of the number of searches, bids, and views for relevant listings associated with the item; calculating the geographic distribution of the demand for the item on the one or more processors based on a function of the implicit demand and the satisfied demand for the item, wherein a first weight is assigned to the implicit demand in the function and a second weight is assigned to the satisfied demand in the function; and presenting the geographic distribution of the demand for the item on a map, the map displaying a plurality of geographic areas, each one of the plurality of geographic areas being displayed with a first and a second attribute, the first and the second attributes being associated with the demand.