@RobPegoraro (Twitter)

"Metadata is like Pigpen from Peanuts," says Pro Publica's @jackgillum after discussing how much can get left when a reporter and a source meet for lunch in D.C. "It's this cloud of dust that follows you everywhere." #CatoSpyCon

Saying that "most tips that you get are from crazy people," @attackerman calls it almost "healthy for democracy" that the Daily Beast is now seeing that the crazies also submit tips via SecureDrop. #CatoSpyCon

"Journalists are overworked, they are tired, they don't necessarily have the time to learn a whole new skill set," says @_olivemartini_ of the difficulties in teaching opsec to journalists. But who doesn't match that description these days? #CatoSpyCon

Google's David Lieber reminds the audience that when he spoke at #CatoSpyCon in 2013, Google couldn't disclose Foreign Intelligence Surveillance Act data requests at all; thanks to 2015's USA Freedom Act, it can. "We are in a different place now,"

Facebook's Alexandra Galloway says the company is working to expand its community-standards-enforcement transparency report with data on how long it takes to respond to complaints and how often it makes mistakes. #CatoSpyCon

Spending the afternoon at the @CatoInstitute Surveillance Conference, so my tweets may get a little dystopian. #CatoSpyCon