Ключевые слова: adult, aerobics, artificial intelligence, beautiful people, blogging, care, connection, copy space, exam, examining, exercising, fitness instructor, global positioning system, guide, happiness, healthy lifestyle, house, individuality, instructor, intelligent, listening to heartbeat, living room, medical exam, mobile app, monitor, muscle, music, personal accessory, rhythm, service, smart phone, smiling, solution, sport, step, strength, support, telephone, tracker, virtual reality, women,