The advantages of Forex market are:

Round-the-clock trading access: the ability to trade for 24 hours a day;

Liquidity: the market works with a huge money and gives the customers complete freedom to open or close their position of different volume;

Leverage: an ability to use leverage. It decreases requirements to the sum of the initial deposit (margin trade). So in case you deposit 10 000 USD into your account you'd have an opportunity to work with 1 000 000 USD (leverage 1:100);

Objectivity: no exterior regulated structures, so the currency's rate is establishing in accordance with current supply and demand on the market;

Globality: everyone can become a market participant irrespective to the living place, as trading requires only your skills and Internet access.
At present mostly all the operations on the market are conducting only to obtain profit. With the development of Internet and other means of communication this sector of the financial markets becomes more accessible and attractive for the investors of different levels