ICYMI: WPP collapses, Trade Desk stumbles, and AI rewrites ad industry rules: WPP posts worst results since Covid, Trade Desk stock drops 16%, PubMatic bets on agentic AI, and Google's Discover update silently kills publisher traffic. https://ppc.land/wpp-collapses-trade-desk-stumbles-and-ai-rewrites-ad-industry-rules/ #Advertising #DigitalMarketing #AI #WPP #TradeDesk