by Mike Whitney November 26, 2015November 26, 2015 Once you’ve been knighted by the Queen of England, your words tend to carry a bit more weight. So discovered Sir Martin Sorrell, CEO and founder of advertising giant WPP Holdings, who recently spoke publicly about how far Facebook still has to go in terms of defining … Continue reading Heeding The Call: Facebook Giving Advertisers What They’ve Long Been Asking For →