Sir Martin Sorrell's roadmap for Asian domination is key to WPP's future

A conversation with Sir Martin Sorrell is always insightful, even if it tends to verge on the professorial. The WPP boss usually has a prepared message - whether it's data, digital, China, content or the economy - he wants to get across to the media with something of a missionary zeal.

by Atifa Hargrave-Silk