Ключевые слова: adaptive, aid, air, app, apply, article, assay, black, book, books, burden, button, class, college, computer, course, dictionary, digital, distance, education, financial, free, free course, fund, icons, isolated, knowledge, learning, line, linear, live, loan, neon, online, outline, scholarship, seminar, set, study, technology, thin, training, tutor, video, virtual, webinar,