License plate readers have proliferated across the country. But cities and states are all over the map on how long they hold information they collect and with whom they share it. http://mobile.nytimes.com/blogs/bits/2013/07/17/policies-on-license-plate-readers-vary-widely-says-a-c-l-u/ That is according to a new report from the American Civil Liberties Union, which collated license plate reader policies from nearly 300 law […]