SNOWBALL KILLED THE DEV-STAR: STOP HANDING OFF, START SUCCEEDING IN THE AI-FIRST WORLD

Summary from the TLDR Design newsletter

Traditional 3-in-a-box development models fail in AI-first products because AI behavior is probabilistic and emergent, making sequential handoffs between PMs, developers, and UX designers ineffective and prone to distortion. The "Snowball" approach advocates for cross-functional teams that collaborate continuously, starting with data and live prototypes rather than static wireframes to validate AI concepts with real users. UX designers must evolve beyond Figma mockups to embrace "vibe coding" and work directly with AI tools, or risk becoming obsolete in an era where successful AI products require integrated teamwork from day one.