Table of Contents,IAB Report 2021,2,FOREWORD EXECUTIVE SUMMARY PART 1: ASSESSING THE PREPAREDNESS FOR THE LOSS OF THIRD-PARTY COOKIES AND IDENTIFIERS Brief intro,Preparedness by company type Obstacles and challenges due to the loss of third-party cookies and identifiers Concerns regarding changes to third-party cookies and identifiers PART 1.A FINANCIAL IMPACT Impact on revenue/equity due to the loss of third-party cookies and identifiers Effects to usage of data due to changes to third-party co