Ключевые слова: app, applications, bacteria, business, businessman, casual, cell, cellphone, cellular, city, contagion, contamination, covid, covid19, disease, games, hipster, looking, male, man, mask, media, mobile, networking, pandemic, phone, pollution, prevention, shopping, smartphone, social, street, technology, tracker, trendy, urban, using, video, virico, virus, walking, young,