"I wish we had figured out 2009 was going to be so gloomy. We thought 2008 was going to be better than it turned out. It didn't turn out terribly, but it didn't turn out as well as we thought." - WPP's Sir Martin Sorrell admits his predictions are not always spot-on
"We have serious concerns about the effects of a joint venture between BBC Worldwide and Channel 4 that is not restricted to broadcasting." - Carolyn McCall, the chief executive of Guardian Media Group, assesses the implications of the Digital Britain report.