Ключевые слова: africa, analysis, app, big, business, classroom, concept, connections, continents, countries, curve, data, device, digital, display, double, earth, education, executive, exposure, global, globe, graphic, home, international, layout, line, looking, map, message, mobile, network, organize, pad, point, pointing, presentation, remote, sattelite, screen, sketch, space, studying, tablet, technology, trading, wallpaper, world, worldmap, worldwide,