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2, 20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, acknowledging, adult, aiding, assisting, associate, britain, business clothing, business man, business woman, businesspeople, calling, capital, chatting, cheerful, close-up, closeup, collaborating, colleague, color, colour, communicating, computer, conference, connecting, connexion, conversation, conversing, daylight, daytime, delighted, dialog, dialogue, discussing, displaying, e-book, e-reader, e.u., electronic book, electronic reader, english, enjoying, enterprise, eu, europe, european, european union, executive, exhibiting, fellow, female, gal, gathering, gentleman, glad, gratifying, great britain, guy, happy, hearing, human, human being, indoor, inside, joining, jolly, joy, lady, lighthearted, listener, male, merry, multitasking, native american, operating, person, phone, pleasing, pleasure, responding, satisfaction, smile, speaking, suit, tablet, tablet computer, talker, team, telephoning, thirties, thirty, toiling, twenties, twenty, two, u.k., uk, western europe, western european, wireless, women, work, workplace, world wide web,