The mobile handset is fast becoming the single point of interaction between various business institutions and their customers. Mobile is facilitating customer self-service, building brand awareness, driving innovation and building a revolutionary business model. Our experience working with global financial services firms indicates that the opportunity from mobile can reach billions of dollars. Given the relatively low implementation costs of mobile, the return on investment is often very straightforward. Those that do embrace the power of mobile will gain a greater chance of remaining relevant, innovative and profitable.