PRIB stands for perpetual residual income builder. That's what Ibuumerang is. It helps you to build a business that is sustainable. Once you gain a customer, they are yours for life. They will continue to come back to your website to save money every time they travel, earning you residual income for years.
Ibuumerang is continually introducing ways for its distributors to earn money. Buum mobile is cell phone service from Ibuumerang. (Coming soon)