After a year of privacy scandals, consumers are beginning to realize that the volume of data tech companies collect on them exceeds what they could have imagined. Marketplace Tech host Molly Wood has been helping listeners untangle the complex web of the data economy on her show. She visited Seattle last week to discuss those issues with Giri Sreenivas, CEO of private email server startup Helm, Ryan Calo, co-director of the University of Washington Tech Policy Lab, and Monica Nickelsburg, GeekWire’s civic editor, during an event hosted by KUOW.