employment referral services, namely, job and personnel placement; employment recruitment services; providing on-line information in the fields of employment hiring, job placement referrals, recruitment, staffing, career information, job placement resources, job listings, and resume preparation; on-line job placement services; on-line referral services in the nature of employment outplacement services relating to employment opportunities for job candidates; on-line services relating to independent sales persons involved in referring candidates and job opportunities to others; employment agency services for employers and job candidates; referrals in the field of recruitment and personnel placement