"I am more concerned about the ... kind of scenario where we have willingly given away our autonomy in exchange for a little bit of convenience." — Alessandro Acquisti James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

"What we need to do is think of ourselves as active participants in the conversation." — Beth Noveck James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

"By me putting all this information out there, what I'm basically telling you is I'm telling you everything." — Hasan Elahi James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

Travelers at Pearson International Airport in Toronto earlier this month. At an unnamed airport, Canada's spy agency tested a program that allowed them to track those who took advantage of free Wi-Fi. Aaron Harris /Reuters/Landov hide caption

itoggle caption Aaron Harris /Reuters/Landov

Yahoo CEO Marissa Mayer delivers the keynote address at the annual Consumer Electronics Show in Las Vegas earlier this month. Robert Galbraith/Reuters/Landov hide caption

itoggle caption Robert Galbraith/Reuters/Landov

Satya Nadella, who's reportedly in line to be Microsoft's next CEO. Stephen Brashear/AP hide caption

itoggle caption Stephen Brashear/AP

The Roxie Theater in San Francisco still has two 35 millimeter projectors, but the switch to digital is inevitable. Laura Sydell/NPR hide caption

itoggle caption Laura Sydell/NPR

Cameron (left) and Tyler Winklevoss testified Wednesday at a hearing about virtual currencies held by the New York Department of Financial Services. Craig Ruttle/AP hide caption

itoggle caption Craig Ruttle/AP