mailto:?subject=Link to ANA content&body=Link%20to%20ANA%20content%0A%0ATitle.....%3A%20The%20Only%20Truly%20Universal%20ID%20Is%20Multiple%20IDs%0ALink......%3A%20http%3A%2F%2Fwww.ana.net%2Fblogs%2Fshow%2Fid%2Fmm-blog-2021-07-future-multiple-ids%0A%0AThe%20deprecation%20of%20third-party%20cookies%20and%20mobile%20ad%20IDs%20%28MAIDs%29%20has%20thrust%20the%20data-driven%20advertising%20ecosystem%20into%20a%20period%20of%20uncertainty.%20The%20underlying%20mechanisms%20that%20support%20targeted%20marketing%20are%20going%20away%2C%20but%20nobody%20is%20quite%20certain%20what%20will%20take%20their%20place.%0A%0A%0A------------------------------------------------------%0AClick%20on%20the%20link%20above%20to%20visit%20this%20page.%20%20If%20the%20link%20is%20not%20clickable%20in%20your%20email%20client%2C%20copy%20and%20paste%20it%20into%20a%20web%20browser.%0A