This document summarizes and discusses 5 winning campaigns from Cannes 2023 that effectively used personalization. The campaigns included Spotify's Wrapped experience that shares personalized listening data with users, a transparency card in Brazil that provided real-time spending data for politicians, Chipotle finding customers' "doppelgangers" who ordered the same meal, British Airways asking personalized reasons for travel, and an AI avatar in India to help local businesses promote themselves. All campaigns leveraged data and personalization to positively impact users and communities.