1. In a computer system comprising a computer, operatively connected to a network, and having at least one memory with a plurality of messages and a message agent stored therein, a method performed by said message agent, said method comprising: for each of said messages with which at least one visitor interacts, generating a generated time score associated with the message, the generated time score being based on how long said at least one visitor interacts with the message; receiving, from a discriminating visitor via the network, a request to view one or more of said plurality of messages; accessing, from said at least one memory, a minimum time score; creating, from said one or more messages, a filtered set of messages by omitting, from said one or more messages, messages having an associated time score less than said minimum time score; and sending, to said discriminating visitor via the network, said filtered set of messages for viewing.