Preparing for a world without third-party identifiers

Get the research

The imminent death of third-party identifiers (3PIDs), including third-party cookies and mobile device identifiers, has shaken the digital advertising industry. Adtech companies, agencies and publishers are scrambling to solve for this disruption. And while there’s been much reporting and speculation by industry pundits, firsthand marketer sentiment is hard to come by.

So, Epsilon conducted a survey to find out:

  • How do marketers feel about these changes?
  • And what are they doing to prepare?


This report includes the top findings from our research, plus key insights by industry, including consumer packaged goods, financial services, restaurants, retail and travel.

Read on to see how your colleagues are responding to 3PID deprecation, and how we think marketers should prepare.

Page compilations