In our final Gamesforum Barcelona short interview series video, mobile user acquisition expert Julie Tonna reveals her battle-tested strategies for thriving in the post-ATT iOS landscape. Julie shares how her team tackled massive 60% discrepancies between ad network data and attribution metrics – a challenge that has crippled many UA campaigns since Apple's privacy changes. She also shares a compelling success story where creative testing and data analytics unlocked significant app growth despite the new limitations.