Social aggregation and substructures targeting and communications

A system comprising:

• one or more server computers coupled to a network;
• and
• one or more databases coupled to the one or more server computers;
• wherein the one or more server computers are for:
• obtaining a first set of information providing an indication that each of a set of users is within a specified area, wherein at least some of the set of users are mobile electronic device users;
• obtaining a second set of information providing an indication that at least some of the set of users are at a particular event or gathering;
• obtaining a third set of information relating to a set of social substructures associated with the particular event or gathering;
• and
• facilitating communications between users of the set of users, based at least in part on the particular event or gathering, and based at least in part on at least one of the set of social substructures.

A computer readable medium or media containing instructions for executing a method comprising:

• using one or more computers, obtaining a first set of information providing an indication that each of a set of users is within a specified area, wherein at least some of the set of users are mobile electronic device users;
• using one or more computers, obtaining a second set of information providing an indication that at least some of the set of users are at a particular event or gathering;
• using one or more computers, obtaining a third set of information relating to a set of social substructures associated with the particular event or gathering;
• and
• using one or more computers, facilitating communications between users of the set of users, based at least in part on the particular event or gathering, and based at least in part on at least one of the set of social substructures, comprising facilitating communications between users, of the set of users, of a particular social substructure, comprising using a template associated with the particular social substructure, and comprising constructing the template based at least in part on roles of users within the particular social substructure, and comprising facilitating communications differently for users with different roles, comprising limiting or increasing communications capabilities or privileges of users based at least in part on roles of Users.