dylan curran joins us tonight. dylan, thanks a lot for coming on. >> hi, tucker.for having me on. >> tucker: you do this stuff for a living. you thought you knew a lot about the level of data collection by facebook. you learned things you didn't know. tell us what you learned. >> yeah, so i feel like a lot of people in the tech industry had a general idea what was going on. but when i went in and actually looked at the information, i found a lot of things that ts were totally unexpected. they were recording, as was said in the report, your actual phone records and your text records. facebook calls them messages. your actual physical phone records. apart from that, then i went into google and they were storing a lot more information than i had previously expected. there were storing search history as far back as 2008. they had my location mapped back as far as 2014, showing pretty much every location i've been in for the last four years every day and with the time-stamp. they have also shown all of those files and images i've ever downloaded, all the apps i've ever