1. A computer-implemented method, comprising, at a first computer system, screening inbound information intended for a recipient thereof by evaluating information regarding said inbound information received by said first computer system in response to a search over a computer-based social network defined by relationships between members of said social network, and, based on evaluations of attributes of relationships of said members, including strengths of connections between individuals in a chain of person-to-person connections between a sender of the inbound information and the intended recipient, determining whether or not to provide said inbound information to the intended recipient.
1. A computer-implemented method, comprising, at a first computer system, screening inbound information intended for a recipient thereof by evaluating information regarding said inbound information received by said first computer system in response to a search over a computer-based social network defined by relationships between members of said social network, and, based on evaluations of attributes of relationships of said members, including strengths of connections between individuals in a chain of person-to-person connections between a sender of the inbound information and the intended recipient, determining whether or not to provide said inbound information to the intended recipient. 8. The method of claim 1 , wherein said screening includes ranking said inbound information according to criteria defined by an intended recipient of said messages.