WPP launches new Elevate28 strategy with four core divisions and £500m savings CampaignStrategy Update and 2025 Preliminary Results WPPWPP to merge ad agencies and cut jobs in radical shake-up to counter AI threat The GuardianWPP plans to cut £500mn a year in costs in sweeping overhaul Financial TimesWPP boss Cindy Rose reveals £500m plan to overhaul ad giant The Times