Ключевые слова: advertising, assessment, business, career, cheerful, choice, choose, client, compliance, concept, customer, employee, evaluate, evaluation, feedback, good, hand, happiness, happy, human, laugh, management, marketing, network, online, optionally, people, performance, poll, positive, quality, questionnaire, recession, recommendation, recruitment, resources, satisfaction, select, selecting, selection, service, smile, smiley, smiling, social, survey, team, tuning, vote, work,