Ключевые слова: app, bank, banking, bill, business, buy, buying, cellphone, checkout, commerce, communication, computer, connection, credit, credit card, customer, cyberspace, data, digital, discount, e commerce, ecommerce, electronic, email, exchange, finance, financial, innovation, internet, laptop, marketing, money, network, online, order, pay, paying, payment, phone, purchase, security, shopping, smartphone, store, technology, transaction, using, web,