1. A social networking website system that supports user interactions in a plurality of social networks, the social networking website system comprising: a server configured to create a new social network automatically, the server enabling communication among a plurality of mobile devices used by a corresponding plurality of users via the new social network, each of the plurality of mobile devices identifies a corresponding current location information based on GPS coordinates; the server automatically, without need of user consent, without any upfront registration requirements or invitations, without employing invitations and explicit user acceptance, automatically registering and including a first user among the plurality of users in the new social network based on the GPS coordinates from the corresponding one of the plurality of mobile devices; and the social networking website system facilitating creation and sharing of new postings, the new postings each comprising audio inputs recorded by the user, a digital photo recorded, a video recorded, and textual inputs provided by the user on a corresponding one the plurality of mobile devices; and wherein a current location to social networks mapping is used to determine appropriate social networks and associated social groups, in the street, city, county, region, state or country in which the user can participate in; wherein the social networking website system also provides each user the ability to create their own social groups to share postings on common interests or affiliations.