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Early childhood developmental screening is critical for timely detection and intervention. babyTRACKS (Formerly Baby CROINC, CROwd INtelligence Curation.) is a free, live, interactive developmental tracking mobile app with over 3,000 children's diaries. Parents write or select short milestone texts, like "began taking first steps," to record their babies' developmental achievements, and receive crowd-based percentiles to evaluate development and catch potential delays.

Currently, an expert-based Curated Crowd Intelligence (CCI) process manually groups incoming novel parent-authored milestone texts according to their similarity to existing milestones in the database (for example, starting to walk), or determining that the milestone represents a new developmental concept not seen before in another child's diary. CCI cannot scale well, however, and babyTRACKS is mature enough, with a rich enough database of …