On the Internet, there are many different discussions about privacy; therefore, privacy is getting hot for people to take about. No matter students, company executives or housewives, they both concern about their privacy. Privacy is the ability of an individual or group to stop information about themselves from becoming known to people other than those they choose to give the information to. So what actual matters make those groups concern about? Company executives feel very annoyed about unsolicited phone calls from strangers who selling new products. Students feel mad on receiving a thousand unsolicited e-mails every day. Housewives also go crazy to clean up more and more advertising letters from unknown companies in mail box every day. Unsolicited means not asked for and sometimes not wanted. People in those groups were also wondering how their information could be obtained by strangers.
Undoubtedly, privacies of those groups are stolen under those situations. There is a hundred unknown phone calls were always received by company executives, most of the calls are from advertisers and telemarketers. Company executives also went crazy even each phone call is only 2 minutes long. There are lots of minutes are disrupted if a company executive receives 100 unsolicited calls per day. Here is an example of unsolicited telemarketing calls received by a company executive. Once the company executive received an automatic call, he is usually asked to do something to get his "free" prize, like attending a sales presentation, buying something, or giveing out his credit