The Drum: Ad industry doesn’t report transparently enough – WPP’s Sir Martin Sorrell
WPP chief executive Sir Martin Sorrell has said the advertising industry doesn’t report transparently and called out competitor Omnicom’s "barter business" as a unit which runs without disclosure. […]
thedrum.com
Wed, Mar 25, 2015 at 11:18 AM
Wed, Mar 25, 2015 at 11:18 AM