Shares economical, in which the most important is payment payment is important for the purpose. Purchaser portal randkowy dla mlodziezy pays result , and can it be directing the consumer to web or supplement contact form or buying a product or service. Homeowners may pay according to the following models of payment - CPC - cost per click - the customer clicks , and the company pays an advertising agency for this press ; CPA - cost per action - charged for the purchase of goods or register on the website, which is charged for actual operation executed; CPL - Cost Per Lead - such fee depends. On whether consumers leave their personal details. The operator pays result , reaches numerous users, and therefore it is campaign offers benefit for buyer it, and worthwhile for company promotional For the former, because performs goals and acquiring contractors, and for the latter, because receives remuneration . Summary , campaigns Efficiency is tool rather new , however fulfilling purpose for which it ordered .