Sir Martin Sorrell said that the group will continue to capitalise on AI positioning.
Ad marks third in series by features director John Madden.
Guardian ad chief has penned open letter to clients and agencies explaining rationale.
Group is forecasting 1-2% organic growth over course of 2024.
Annual report also reveals WPP chair Roberto Quarta will stay on longer than expected.
Alternative text helps people with sight loss gain a mental impression of a visual.
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