Login once a day and refer 4 persons. It is easy because it is free and you don't have to do anything, just be paid to login every day.
There is a 10 levels program to increase your earnings exponentially in which you earn the 10% on each level. So you will try to help your referals to do the same thing you do, there is to say to login every day and refer also 4 persons and so on till you arrive on level 10.
It is so simple. Click this link and start earning money: