Ключевые слова: 30s, big data, book, caucasian, cheerful, cloud computing, computer graphic, computing, connection, copy space, digital, digitally generated, doodle, drawing, education, hand drawn, happy, idea, innovate, innovation, learning, light bulb, literacy, literature, male, man, mid adult, novel, reading, showing, smiling, technology, vignette, wireless, yellow,