Traffic Exchanges with geo-targeting
Geo-targeting is a very important feature when it comes to effective advertising.
What top marketers and sellers do is keeping track of their visitors and delivering the content accordingly. They know that they have to deliver the content to visitors based on their location, habits, interests, hobbies, time of their visit and other variables. Out of these variables, I believe, geo-targeting is the most important one.
What it means is that you need to determine the geo-location of your visitor in order to get more sales and conversions. You can target top-tier countries for free using following Geo targeted traffic exchanges.