there are many other online business available in this 21st century that can make you millionaire if you do hard work for it and learn the right tricks of that business .Forex is one of that online business,it also exist before online world but its reach has increased after internet as more people started trading and big institutions brokers have also started doing it.In forex one can easily earn money if he learns the basicsof price action candles ,in other business i believe there is a lot of competition between skillful people.here in forex it is a competition of your skill and knowledge only.