Philosophy

Journalist Orlando P. Bailey hosts Session 7 of TED Countdown Summit on July 14, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Gilberto Tadday / TED)

Jimmie Briggs speaks at TEDWomen 2021. (Photo: Gilberto Tadday / TED)

TED’s David Biello and Lindsay Levin host Session 3 of TED Countdown Summit on July 12, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Jasmina Tomic / TED)

TED’s Lindsay Levin and systems innovator Ryan Panchadsaram host Session 4 of TED Countdown Summit on July 13, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Nick Hagen / TED)

TED’s Lindsay Levin and MP David Lammy host Session 2 of TED Countdown Summit on July 12, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Nick Hagen / TED)

Journalist Orlando P. Bailey and TED’s Lindsay Levin and David Biello speak at Session 1 of TED Countdown Summit on July 11, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Gilberto Tadday / TED)

TED’s Logan McClure Davda and journalist Orlando P. Bailey host Session 5 of TED Countdown Summit on July 13, 2023, at the Fillmore Detroit in Detroit, Michigan. (Photo: Jasmina Tomic / TED)