becky yerak is a business reporter for the chicago tribune. explain this strategy, becky. > > hi bill. well more and more people-- roughly a third of people are doing most of their transactions digitally. online or on their phone but still the vast majority of people still like to go to a bank branch. something that's permanent and this kind of combines the best of both worlds. > > now this is a pnc bank which is a pretty large player in the banking world. > > pnc is one of the biggest banks in the country and they tried this in atlanta, they said we got just as many accounts out of this pop-up, temporary branch as we did one of our brick and mortar branches-- so we're going to try that here in chicago as well, and i've talked to the manufacturer of these temporary branches and they said that they're talking to other banks too. > > so the advantage is you still have a face-to-face experience for the banking customer, but it's a much lower cost way of developing that. > > yes they still have people on-site to open accounts for you, to tell you a