The question is fundamental: which is faster, and easier? Inputting commands into a smartphone by typing on glass or by talking them into the device?
In this preview from next week's print edition, experts ponder whether mobile banking by voice command is ready for prime time.
Google, Visa, MasterCard, Sprint, and even Pentagon Federal Credit Union. The list of early proponents of innovative near field communication tap and pay mobile technology keeps growing. But that brings two questions into sharp focus.