2, 20-25, 20-30, 20's, 20s, 25-30, adult, african, african american, african-american, afro american, afro-american, associate, black, business man, businesspeople, casualness, cheerful, colleague, color, colour, communicating, computer, connecting, connexion, daylight, daytime, delighted, e-book, e-mailing, e-reader, electronic book, electronic device, email, enjoyment, enterprise, examining, executive, eyeing, fellow, furnishing, furniture, gentleman, glad, gratifying, guy, human, human being, indoor, informal, inside, joining, jolly, joy, lighthearted, looking, male, merry, negative space, observing, of african descent, operating, pc, person, personal computer, pleasing, pleasure, portable computer, reader, satisfaction, seated, seeing, smile, tablet computer, three-quarter length, tilting, twenties, twenty, two, typist, western european, white space, wireless, work, workplace, world wide web,