Customer services. Customer relations Consumer satisfaction 13 Hospitality industry. Hotels, clubs, restaurants, etc. Food service 7 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 5 Purchasing. Selling. Sales personnel. Sales executives 4 Electronic commerce 2 Food industry and trade. Halal food industry. Certification 2 Market segmentation. Target marketing 2 Branding (Marketing) 1 Etiquette of entertaining. Duties of host and hostess. Hospitality 1 HF Commerce 1 Hotels. Bed and breakfast accommodations 1 Office automation 1 Service industries 1 Technological innovations 1 Telemarketing. Internet marketing 1 Unemployment 1