Ключевые слова: abstract, analysis, background, booking, browsing, business, cell, cellphone, chemistry, concept, degree, digital, double, drawing, education, examination, exposure, fill in, financial, formula, graduation, innovation, intelligence, internet, learn, lifestyle, man, molecule, money, multi, notebook, partnership, phone, physics, school, science, sell, smart, smartphone, spend, study, tablet, teach, technology, theory, touchscreen, transaction, transform, university, wisdom,