No longer the simple concept of "screen time," digital media must be considered within the big picture of physical and social spaces that children occupy. Digital ecosystems, which include design patterns that encourage endless scrolls and highly monetized patterns of advertisements and commercialization that are thinly veiled, have an outsized impact on children's development and yet have received considerably less attention than individual behavioral approaches in digital media research. Part 1 of this series on digital media examines how the ecosystems that shape children and family well-being should be transformed so all children can thrive in both physical and digital spaces.