1. A method of granting a first user temporary, limited access to a second user's electronic content, the method comprising the steps of: receiving by a hardware processor controlling a Policy Engine, a request originating from the first user to access the second user's electronic content stored on a server, wherein the second user is distinct from the server; retrieving by the hardware processor controlling the Policy Engine from a relationship database, relationship information regarding a relationship between the first and second users; applying by the hardware processor controlling the Policy Engine, an access rule matching the relationship information, the access rule specifying a portion of the second user's electronic content and a period of time the portion of the second user's electronic content is available, wherein different access rules specify different portions of the second user's electronic content or different periods of time the portions of the second user's electronic content are available, depending on the relationship between the first and second users; when the specified period of time has not expired, the hardware processor controlling the Policy Engine granting the first user access to only the specified portion of the second user's electronic content; and when the specified period of time has expired, the hardware processor controlling the Policy Engine denying the first user access to the specified portion of the second user's electronic content, and sending from the hardware processor controlling the Policy Engine to the second user, a notification that the first user attempted to access the second user's electronic content after the specified period of time expired; wherein the first user has at least one identifiable characteristic, and the access rule also specifies that all users having the at least one identifiable characteristic can access the specified portion of the second user's electronic content during the specified period of time without requesting access from the second user.