1. A method for determining where to send a message among a plurality of users related to an originating user, wherein the message is intended to be sent from the originating user to a first user of the plurality of users, the method comprising:determining a keyword used in the message;
determining whether the keyword is associated with a context, wherein the context defines a relationship among a plurality of keywords;
determining a first set of users of the plurality of users associated with the context, said first set of users including at least one second user different from the first user, and a second set of users of the plurality of users not associated with the context, wherein determining the first set of users includes accessing a database storing information in which different contexts are associated with each of the plurality of users;
displaying indications of the context of the message and of the first set of users as graphical elements on a user interface of the originating user, each user of the set of users being represented as a first graphical element associated with at least one second graphical element representing at least an interest of said user; and
transmitting the message to the first set of users including the at least one second user via a communication network, and prohibiting sending the message to the second set of users.