UK marketers remain cautious about efforts by Facebook and Google to solve issues of transparency and user safety . Speakers at the conference of the Incorporated Society of British Advertisers included those supporting changes by the online giants and those who said the fixes had not been good enough . Sir David Sorrell , the chairman of WPP , said there were still issues to be solved but the duopoly deserved some credit . Steve Hatch, vice-president for Facebook in Northern Europe, admitted that Facebook had been “too slow” in providing third-party measurement across its platform portfolio, which also includes Instagram. Both have been under pressure to be more transparent about their programmatic ads , including about third - party measurement , how they fight fraud and , in Facebook ’s case , being honest about its numbers .
UK marketers remain cautious about efforts by Facebook and Google to solve issues of transparency and user safety . Speakers at the conference of the Incorporated Society of British Advertisers included those supporting changes by the online giants and those who said the fixes had not been good enough . Sir David Sorrell , the chairman of WPP , said there were still issues to be solved but the duopoly deserved some credit . Both have been under pressure to be more transparent about their programmatic ads , including about third - party measurement , how they fight fraud and , in Facebook ’s case , being honest about its numbers .