Ключевые слова: 30 to 34 years, 3034 years, animal body part, animal mouth, caucasian ethnicity, communication, computer, computer monitor, covering mouth, day, digital viewfinder, enjoyment, female, focus on background, fooling around, fun, gesturing, hand gesture, hand sign, holding, human mouth, humor, in front of, indoors, june 2015 release, looking away, looking sideways, making a face, making faces, male, man, men, mid adult, mid adult man, mid adult men, mobile phone, mouth, numeral, orthographic symbol, playing, screen, selective focus, smart phone, smartphone, symbol, technology, telephone, two people, using, visual aid, visual screen,