On this week's Mumbrellacast, host Calum Jaspan is in Cannes, and we hear from a range of industry figures about the event. Featured is Dentsu's Fred Levron and Kirsty Muddle, TikTok's Brett Armstrong, Snap's Kathryn Carter, Reddit's Roxy Young, Yahoo's Paul Sigaloff and Rachel Page, Gary Vaynerchuk, and Volodymyr Zelenskyy.
