1. A people matching method, comprising: establishing a computer-implemented directionally distinct relationship between a first person who is a first user of a computer-implemented system and a second person who is a second user of the computer-implemented system, wherein the establishing of the directionally distinct relationship is explicitly performed by the first person; receiving a match of the first person with a third person who is a third user of the computer-implemented system, wherein the match is generated by a processor-based device and is based, at least in part, on an inference of a preference from a plurality of usage behaviors associated with the computer-implemented system, wherein one of the plurality of usage behaviors is the establishing of the directionally distinct relationship; and expressing an interest, responsive to the match, with respect to the third person by the first person, wherein the expressing of the interest comprises the first person establishing a computer-implemented directionally distinct relationship between the first person and the third person.