GS0351: Providing an on-line computer database featuring trade information in the field of information technologies and computer services; providing on-line directory information services also featuring hyperlinks to other web sites
GS0381: Providing on-line electronic bulletin boards for transmission of messages among users in the field of information technologies
GS0411: Educational services, namely, providing online tutorial sessions in the nature of information technologies; computer services in the nature of providing online publications, namely, articles in the field of information technologies