A decrease in anonymity could make deidentified data reidentifiable owing to the range of publicly available background information readily available on the Web. Hence, the technique must prove that it requires considerable time, efforts, cost, and skill to reidentify anonymized data.
Third, an HSNS could provide means by which users can visualize their current exposure on the site. Users often underestimate the scope of information sharing. Graphic displays of the social network could help users appreciate the potential risks of disclosure.