This document summarizes Johnson & Johnson Latam's shift from traditional to digital marketing. It discusses moving from mass marketing to precision marketing targeted at specific audiences and behaviors. Key changes included increasing the digital media budget from 36% in 2015 to 73% in 2018, and requiring structural changes across marketing, agencies, and partners. Mobile commerce was tested with 6x sales growth. Brand lift testing showed improved ad recall, awareness, and purchase intent versus benchmarks. The lessons discussed focus on leveraging partners, taking risks, tracking adaptations, and driving internal change to strategically align, test, learn and scale approaches.