This week we’ll be talking about the near-future of tech — not flying cars and terminators, but what’s coming in the next decade. Today, we bring you a conversation about free speech online.

A year ago, George Washington Law Professor Jeffrey Rosen went to a hush-hush meeting at Stanford that dealt with censorship. It was full of academics, international government representatives, and a small group of young techies from companies like Twitter and Google.

Rosen joins Marketplace Tech’s Ben Johnson to discuss the meeting, online speech, who controls it and what threatens it. Click on the audio player above to hear the full interview.