Abstract: Systems and method for cross-population of virtual communities are provided. An exemplary method comprises providing a plurality of virtual communities, each of the virtual communities related to other virtual communities by a cross-population relationship. A user associated with a first virtual community of the plurality of the virtual communities is provided access to a second virtual community of the plurality of the virtual communities based on a cross-population relationship between the first virtual community and the second virtual community.

Abstract: Systems and methods for privacy management of user content in virtual social networks are provided. A user of the virtual social network can designate user preferences to be associated with the content provided by the user. The user preference authorizes one or more individuals to access some or all of the user's content in the virtual social network. In various embodiments of the present invention, the user may authorize specific groups of individuals by designating a set permission associated with each group.

Abstract: Systems and methods for profile display in virtual social networks are provided. Users of a virtual social network can share information with other users of the virtual social network through user profiles. Some users may have multiple user profiles, including user profiles from sources external to the virtual social network. For example, a user may have separate profiles in multiple communities in the virtual social network and in multiple virtual social networks. Systems and methods of the present invention allow the user easy access to all profiles associated with the user, including profiles from sources external to the virtual social network. The information in a profile display may filtered based on various criteria associated with the profile, including community rules.

Abstract: Systems and methods for content delivery in virtual social networks are provided. Content may be provided to the virtual social network by users of the virtual social network, professional content developers, etc. Any content provided to the virtual social network may be stored in a content database and tagged based on the type of content. The tags associated with the content may be compared to information concerning the various users of the virtual social network. The content may be provided to the user based on matching of the tags and user information. In various embodiments of the present invention, the content may be provided to communities based on matches between content tags and community information.

Abstract: Systems and method for cross-population of virtual communities are provided. An exemplary method comprises providing a plurality of virtual communities, each of the virtual communities related to other virtual communities by a cross-population relationship. A user associated with a first virtual community of the plurality of the virtual communities is provided access to a second virtual community of the plurality of the virtual communities based on a cross-population relationship between the first virtual community and the second virtual community.