The technology behind online currency exchange robot is kind of simple. A robot does what a trader would do. It follows the same rules outlined by the trader. It follows the technique that is broken down to easy tasks. Such a program is made on the base of particular indicators. The indicators can be custom or standard tools. One example of such robot is Forex MegaDroid. What advantage a robot gives is that it loses the mental factors. At the same time, it disables the facility to attune to unexpected conditions. Nonetheless, they supply a great currency trading tool, that gives an edge to foreign exchange traders.