the aclu and electronic frontier foundation have centers will to luis herrera. i've provided copies of those in which they say, oppose and continue to oppose rfid use in libraries because of its privacy and free speech concerns. also an early study, which i've also provided the supervisors said, current conventional wisdom suggests that privacy risks negligible unless there is access to library databases. we show that's not the case. there are books about this problem. spy chips, how major corporations and government plan to track your every move with rfid. it's a serious privacy threat. it has many other functional problems, expenses. you can get fines and fees for years with the cost of this. >> good morning, supervisors. my name is bill calledman, first floor manager at the main library and sciu 10-21, having worked in two other libraries that utilize rfid, i can tell that you it covers greatly increased efficiency. it frees staff from the routine process of checking in and out materials, affording them to do what they're there for -- serve the public. despit