Ключевые слова: 3d, advertiser, affiliate, business, chalk, chalkboard, click, commerce, cost, cost per sale, cpc, cps, customer, desk, handwritten, increase, internet, investment, management, marketing, money, network, office, office supplies, online, paid, pay, payment, per, ppc, pps, progress, publisher, rendering, revenue, sale, search, service, site, small chalkboard, stationery, system, table, top view, traffic, visitor, web, website,