Ключевые слова: advertise, analytical method, barter, business, business tricks, characteristics, customer, customer survey, decision making, details, display, exchange, factfinding, fishing expedition, gain insight, goods, info, information, inquiry, interpretation, investigation, location, market, marketing, marketing budget, marketing research, merchandise, new technique, offer for sale, package and sell goods, potential service, present, process, product, research, research report, retail, service, spending habits, spread business, statistical, systematic way, vend, wholesale,