katherine crump who is an assistant professor and clinical proser if and associate director of the samuelson law technology and public policy clinic at berkeley. she was also a former staff attorney at the aclu for nine years. next to here we have eric wenger who is a director of cyber security and privacy at cisco's global affairs division here in d.c. also former counsel at microsoft. to his left, my right, is liza goitein. that's very complicated for me up here. she's co-director of the national security project at the brennan center, also former counsel to senator russ feingold. and immediately next to me we have joseph lorenzo hall who is the chief technologist at the center for democracy and technology and we're particularly excited to have him here to talk about the technological aspects of all of this. so i am going to remind us of what we all know. that there's been a tectonic shift in the way data is collected, stored, the ways in which we communicate over the past 10, 15 years. so our panel is going to explore the implications of that, both what's happened and what that means for