Cloudflare CEO Matthew Prince speaks with Sara Fischer onstage at an Axios event in Cannes. Photo: Anthony Bourgeois on behalf of AxiosPublishers face an existential threat in the AI era and need to take action to make sure they are fairly compensated for their content, Cloudflare CEO Matthew Prince told Axios at an event in Cannes on Thursday.Why it matters: Search traffic referrals have plummeted as people increasingly rely on AI summaries to answer their queries, forcing many publishers to re...