More than seven years since Forbes launched its first AI 50 list, the artificial intelligence industry has exploded, growing more expansive and increasingly too crowded for a single list to capture. As venture capital firms continue to pour money into AI, a new tier of startups has emerged: younger, earlier-stage companies building fast and raising faster as they try to rival their more established peers. That’s why this year, for the first time, Forbes is introducing the AI 50 Brink List, spotlighting 20 of the most promising Seed and Series A-stage startups building in artificial intelligence. Read more: #ForbesAI50# Photos: Nectar Social, Resolve AI, Periodic Labs, Ashley Maxwell, Giga, Jim Vetter, Studio B Portraits, Axiom Sponsoring Partner @MayfieldFund