Mobile banking's time has finally come, according to Forrester Research, and will quickly displace online banking for routine interations. Thanks to growing smartphone adoption, fast all-you-can-eat data plans, and more compelling mobile content, they expect more people to start using mobile banking in the coming years.

Although it will take at least five years, the unique benefits of mobile banking, like simplicity, immediacy, and context, mean that it will eventually displace online banking for frequently used day-to-day banking tasks like checking account balances, viewing transaction histories, making transfers, and paying bills.

That's all very well for consumers and sole traders. But what will be the impact on business? Does it offer new commercial opportunities?