9 Computer software for use in facilitating and managing social networking; computer software for use in facilitating and managing multiple private, small communications networks by inviting contacts to join and form groups; computer software for use in posting, uploading, downloading, transmitting, retrieving, receiving, reviewing, tagging, organizing, searching, providing and managing text, audio, visual and multimedia data and content via computers, mobile phones, wired and wireless communication devices, and optical and electronic communications networks; computer software for use in managing, controlling and securing personal information; computer software for calculating, mapping, managing, transmitting, controlling and securing location information; computer software for providing a user with information on goods and services for sale, and for sharing information about item location and goods and services for sale with others, provided via computers, mobile phones, wired and wireless communication devices, and optical and electronic communications networks; computer software for calculating, mapping, transmitting and reporting logistical, navigational, traffic, news, and point-of-interest information and location-informed advertisements and promotions via computers, mobile phones, wired and wireless communication devices, and optical and electronic communications networks