Last week saw an interesting piece by Mindshare's Global CEO Nick Emery published in Campaign and widely circulated on social media. (In case you missed it, here it is.) It generated much praise from beyond GroupM and WPP. Andrew Stephens from the independent agency Goodstuff along with your humble correspondent were amongst many tweeting their appreciation of an insightful look at the many challenges facing media agencies and the need for new operating models. Here are two key thoughts behind Nick's piece.