Amy Cuddy, whose talk from TEDGlobal 2012 catapulted onto our list of most-viewed talks, shares how the experience of speaking at TED changed her life—and that of so many others. Photo: Bret Hartman

A look at the TED control room, where video is captured from the theater. Photo: James Duncan Davidson

In an emotional moment, Gabby Giffords did a Q&A with husband Mark Kelly, talking about her recovery and how it has made their relationship even strong. Photo: James Duncan Davidson

An attendee watches a Q&A with NSA deputy director Richard Ledgett. Photo: Ryan Lash

In the Adobe Drawing Lab, an attendee admires a rendering of speaker Peggy Liu. Photo: Bret Hartman

A shot of the TED bookstore. Photo: Ryan Lash

Marco Tempest performs alongside robot EDI. Pohot: James Duncan Davidson

Guerrilla gardener and TED2013 speaker Ron Finley test-drives Google Glass. Photo: Bret Hartman

Louie Schwartzberg shows how high-speed photography can reveal nature in glorious detail. Photo: James Duncan Davison

At TEDActive, an ice sculptor does an ode to The Lincoln Motor Company. Photo: Stacie McChesney

An attendee examines answers to the question, “How do we design a culture of health?” at the Robert Wood Johnson Foundation Culture of Health Café. Photo: Bret Hartman

Speaker Chris Kluwe gets recruited by the Raspyni Brothers. Photo: James Duncan Davidson

An attendee lounges in the Target Design Café. Photo: Bret Hartman

Moshe Safdie returns to the TED stage to give an All-Stars update. Photo: Ryan Lash

The view from Whistler, where TEDActive 2014 was held. Photo: Sarah Nickerson

In bright and sunny simulcast lounges, attendees can chat while they watch.

TOMS offered coffee, shoes and eyewear in a beautifully designed Marketplace Café. Photo: James Duncan Davidson

In the grand hall of TED2014, TED Fellow Asha de Vos votes for what she thinks might drive change in the next 30 years. Photo: Bret Hartman

A look at the TED2014 speaker program, celebrating 30 years. Photo: Marla Aufmuth

In this space—a collaboration between BCG, Magnum Photos and Kram/Weisshaar—we got a look at the world in moments of intense change. Photo: Bret Hartman