On-line identity reliability investigation in the field of on-line dating; Dating services, namely, providing an on-line computer database featuring single people interested in meeting other single people; Background investigation services; Providing an interactive web site featuring personal background credential information for users to verify credentials of others; Providing a web site featuring users' ratings, reviews and recommendations of others relating to dating; Providing a web site featuring ratings and reports regarding dating background and credentials of individuals, including ratings and reports generated from background investigation and user submission data