A computing system includes: an initialization module configured to generate initial sharing options; a rating analysis module, coupled to the initialization module, configured to generate a privacy score and a benefit score with a control unit for one or more of the initial sharing options; a mapping module, coupled to the rating analysis module, configured to generate a map based on the initial sharing options, the privacy score, and the benefit score; and a tuning module, coupled to the mapping module, configured to: analyze an initial distribution of the map, and generate the tuned sharing options based on the initial distribution for displaying on a device.