* Many users post their full address, e-mail address, birthday, and telephone number, and these can be available to their entire network (and, in reality, anyone). This information in the wrong hands can be used for purposes of phishing, stalking, or even identity theft. | * Many users post their full address, e-mail address, birthday, and telephone number, and these can be available to their entire network (and, in reality, anyone). This information in the wrong hands can be used for purposes of phishing, stalking, or even identity theft. |