Ключевые слова: activity, arena, atmosphere, audience, browsing, cell phone, communication, competition, crowd, digital, distraction, entertainment, event, excitement, fan, football game, interacting, leisure, live action, match, multitasking, networking, pastime, person, player, scrolling, seats, smartphone, social media, socializing, spectator, sports, sportsmanship, stadium, stadium lights, stadium seating, team, technology, text messaging, watching,