Ключевые слова: adult, aging, alone, caucasian, cellular telephone, chair, color, communicating, communication, consumer electronics, electronics, eyeglasses, eyewear, furnishing, glasses, gray hair, hair, hair color, holding, housing, image source, indoors, interaction, looking, male, man, mobile, modern, old, one person, reading, retirement, retirement home, sending, senior adult, senior man, sitting, structures, style, technology, telecommunication, telephone, text, text message, using, white,