The emerging wave of referral platforms that connect health and social services — often under the banner of a “Community Information Exchange” — represent an exciting new way to focus on social determinants of health... but also threatens to repeat past data fragmentation and community governance mistakes. This session explores recommendations from Open Referral and the St. Louis Regional Data Alliance for how communities can avoid a mess of incompatible silos and unaccountable data systems as they seek to promote holistic community care.