Ключевые слова: 20s, balance, bicycle, black, carefree, casual clothing, cellphone, communication, connection, control, conversation, denim, dialing, discussion, field, freedom, holding, interacting, leisure activity, lifestyles, male, man, millennial, mobile phone, nature, phone, playful, sitting, smart phone, smartphone, speaking, sunlight, sunny, talking, technology, text message, text messaging, texting, transportation, travel, tree stump, typing, weekend activity, wireless, wireless technology, wirless technology, young adult,