This promoted content is produced by a member of The Drum Network. The Drum Network is a paid-for membership product which allows agencies to share their news, opinion and insights with The Drum's audience. Find out more on The Drum Network homepage. 55 London on how marketers can prepare as Google ends third-party cookies Google’s recent announcement about its move to a ‘privacy-first web’ is a big moment in the history of digital marketing. It highlights that the end really is nigh for third-party cookies, and specifically being able to target individual users based on their browsing behavior – the mainstay of digital marketing for many years.