Traffic Arbitrage - is to buy a flow of visitors and their following resale. The basic principle of arbitrage - buy cheap and sell expensive.
The concept of arbitrage traffic relatively new concept, and its essence is to redirect traffic from one source to another. Traffic Arbitrage implies that you pour traffic so that monetize it. You can buy it in the contextual advertising system. The most popular contextual advertising systems are Yandex Direct and Google Adsense.
Traffic - is a great way to earn money. Earnings on buying and converting traffic - is arbitration.
Monetizing Traffic - is turning it into a "real" money!