Ключевые слова: 20s, activity, activity tracker, app, blank screen, caucasian, class, close up, connected, copy space, exercise, exercise mat, exercising, female, fitness, fitness monitor, green screen, health, healthy lifestyle, horizontal, keeping fit, looking down, one person, online, people, person, screen, smart watch, sports clothing, sportswear, tech, twenties, view from above, woman, women,