"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

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

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

The oPhone was on display at Wired's annual conference in London in October. Courtesy of Le Laboratoire hide caption

itoggle caption Courtesy of Le Laboratoire

The motion-capture team at Next Media Animation. The actor (in the leotard) is wearing sensors that the 40 cameras mounted in the studio will capture to help animators render his movements digitally. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

Who will win? Videogame maker EA Sports says its Madden NFL 25 predicts an overtime thriller in Sunday's Super Bowl, with Denver edging Seattle. Here, Seahawks coach Pete Carroll, left, and Broncos coach John Fox are seen in a composite image. Getty Images/Getty Images hide caption

itoggle caption Getty Images/Getty Images