Kaiwei Tang, CEO and Co-founder of Light, poses with a Light Phone III during an AFP interview at the Mobile World Congress (MWC), the world's biggest mobile technology showcase and fair in Barcelona on March 3, 2026. The Mobile World Congress (MWC), the major annual telecommunications event, opened in Barcelona for an edition where Artificial Intelligence in telecommunications will take center stage in the debates. The event, which marks its twentieth anniversary, will host the world's leading telecommunications operators and numerous manufacturers. 109,000 industry professionals and visitors are expected. (Photo by Manaure Quintero / AFP via Getty Images)