“…The value of mHealth methods for researching tobacco use is established ( Ferguson & Shiffman, 2011 ). mHealth methods are now used to research patterns and situational predictors of use of other substances, including cannabis, opioids, cocaine, MDMA, and alcohol (e.g., Roth et al, 2017 ;Santa Maria et al, 2017 ). Because mHealth surveys must be kept short to reduce participant burden and encourage data collection compliance, they cannot capture the richness of individuals' experiences of use contexts and practices, nor how individuals make sense of their drug use within the context of their broader life narratives.…”