Ключевые слова: age, app, application, blank, board, class, college, computer, connection, copy, copyspace, education, empty, gadget, group, high, hispanic, indoors, international, internet, knowledge, latin, learning, lector, lecture, man, many, middle, multiethnic, multiracial, online, pc, people, person, school, smiling, space, student, study, studying, tablet, teacher, teaching, technology, tutor, tutoring, university, white, woman, young,