Ключевые слова: advertise, app, application, arm, background, blank, children, color, computer, copy, digital, electronic, empty, family, female, gadget, gray, hand, hold, holding, internet, kids, laptop, learning, lesson, media, mock, mockup, monitor, online, pad, pc, remote, screen, show, space, tablet, teacher, team, three, top view, touch, touchpad, up, using, wireless, woman, working,