At IAB's Annual Leadership Meeting, IAB Tech Lab announced a public consultation on proposed privacy standards and guidance for digital marketing as part of the "Project Rearc" initiative. Project Rearc's portfolio includes a Global Privacy Platform and Accountability Platform, along with addressability guidance for user-enabled identity tokens, as well as taxonomy and data transparency. Editor's note: IAPP Staff Writer Joe Duball broke down the state of advertising technology privacy, including Project Rearc developments.