Sir Martin Sorrell is currently the CEO of WPP Group (the world's second largest advertising holding company). They employ 100,000 people with over 2,000 office in over 100 companies. Sorrell was on Charlie Rose yesterday evening. It's a great watch...
Digital Marketers: note his comments around 11:00 minutes in on new media (including mobile).
(hat-tip Dror Zaifman).