squeezed out by large providers. >> if there are no pending questions, i'd like to -- oh, sorry, stan besson. >> the metro, not the communications system, as a regular red line rider, that's where the problem is. >> with why her cell phone -- let me move to another topic that's near and dear to my heart. which is wireless wire line substitution. and the first question is for mary. you know, some folks are trading in their wire line connections for wireless ones. in october 2011, cisco, your firm, mary, estimated that up to 15% of u.s. consumers could cut their broadband wire line connection in favor of a mobile data connection by 2016. and more recently, in a 2013 pew survey, we found that one-third of cell internet users use mostly their phone to access the internet, as opposed to other devices like a desk top, laptop, or tablet computer. what is stopping more folks, mary, from making the plunge and going pure wireless? >> well, i think the 2011 study sort of identified from a -- let me just say, that's sort of a tops-down study. an estimate, if you will, of what could happen. right? and th