Systems and methods for open social networks configured for a location or a region. The social networks are arranged accessible to all users via an interactive map or a website link. In one aspect, user numbers or post quantities are displayed beside network icons on a map. In another aspect, posts generated by local and remote users are presented in separate windows. In yet another aspect, social networks are searchable via keywords or category in a map setting. Moreover, for a given period of time, a requester continuously receives contents presented at a social network which has the most users.