Dating services provided via mobile application; Dating services provided via website; Online social networking services in the field of dating provided via a website; Online social networking services in the field of dating; Internet-based dating services; Internet-based social introduction services; Social networking services in the field of dating provided via a website; Internet based social networking, introduction, and dating services; Social introduction agencies; Internet-based social networking services; Providing a social networking website for entertainment purposes; Dating services, namely, providing an on-line computer database featuring single people interested in meeting other single people; Providing an interactive website concerning notifications of changes in the status of personal relationships; On-line gay, lesbian and bisexual social networking services