A group definition is received via a network interface. Communications are transmitted to destinations, the communications comprising an invitation to associate with the a content sharing group. Authentication data associated with users that accept the invention is encrypted. The accepting users are associated with the content sharing group. A content gallery definition is received. A communication is received that the content gallery is to be shared with the content sharing group. The content gallery is caused to be instantiated on devices of users associated with the group. A content request for the content sharing group is received and the content request is transmitted accordingly to users associated with the group. A content item is received in response the request and the content item is transmitted to user devices associated with the group and enabled to appear in instantiations of the content gallery on the user devices.