I’m back from holiday and it seems the wheels are still turning. It was only a month ago, on April 14, that Sir Martin Sorrell exited his creation, WPP. Millions of words were duly filed. Speculation (much of it from outside the industry and ill-informed) around the future of WPP has been rife. Now Sir Martin has followed up his gnomic message to staff (“back to the future”) by confirming that he does indeed intend to start again.