another area is opening up broadcast wide dspaces. the commission took a conservative response in opening up the wide space, but it was a start. will the office of engineering technology make sure that this is a priority issue so that we can have sufcient resources in work with the industry to test and make sure that we are answering any of the technical issues that might come up? >> senator, i think the answer is yes. i'm glad you are mentioning another example of creative use of spectrum to advance the overall goals of the communications act. i am energized by what's been happening in the country around mobile. we're seeing incredible innovation. the number of americans who have mobile phones has increased dramatically. i think the current number is about 270 million americans. but more important, the number of americans who have smart phones, who have mobile phones with advanced applications on them is increasing. i believe that we have an opportunity for the u.s. to lead the world in mobile. some of that will require the ongoing c