Despite the warnings of people like Kuan and Liu, however, young people with a tendency for showing off and attention seeking can find themselves almost addicted to these services, leading to them dropping their guard.
由於哈佛本身不提供這項服務，當時為心理系新生的 Mark Zuckerberg 竟侵入學校電腦資料庫，「偷取」了部分的學生照片檔案來成立「哈佛花名冊網路版」，之後才升級為校園社交網。