Ключевые слова: 30s, 3d, advertisement, biology, black, blank, blue, brain, casual clothing, caucasian, computer graphic, copy space, day, diagram, digital, digital tablet, digitally generated, empty, eyeglasses, floor, futuristic, glow, graphic, head, health, holding, human, human representation, male, man, medical, mid adult, nervous system, pattern, sitting, spark, tablet, tablet computer, tablet pc, touchscreen, transparent, using, white,