River1 Asset Management closed the markets today! 🔔 @River1AM is a Milwaukee-based investment manager with infrastructure-builder DNA, offering two actively managed ETFs: RVER, The Trenches Fund, and BUIL, The Rebuild America ETF. Today’s ceremony celebrates BUIL’s launch, an ETF investing in companies that own or solve capacity-constrained demands in the physical rebuilding of America’s infrastructure.

Rivers Cuomo, the singer and guitarist of Weezer, was born in New York City and raised in various spiritual communities around the Northeast. Throughout this time, he had very limited contact with his father, a painful experience he writes about in the band’s first album. Recently, after his father’s passing, Cuomo began sorting through correspondence between his parents and letters his father had written him. As he looked at everything, he “started to reconstruct a different perspective on that relationship,” Cuomo tells Amanda Petrusich. Read their full conversation:

Rivers form those huge winding bends because erosion wears away the outside of curves while sediment builds up on the inside. Over time, the bends can become even more pronounced

Rivers Cuomo, the singer and guitarist of Weezer, was born in New York City and raised in various spiritual communities around the Northeast. Throughout this time, he had very limited contact with his father, a painful experience he writes about in the band’s first album. Recently, after his father’s passing, Cuomo began sorting through correspondence between his parents and letters his father had written him. As he looked at everything, he “started to reconstruct a different perspective on that relationship,” Cuomo tells Amanda Petrusich. Read their full conversation:

.@river_ai_inc has a new vision for personal AI. We co-led River’s $1.1B funding round because we believe in @ibab's ambition to build open-weight models that individuals can train and improve continuously. Watch @htaneja in conversation with Igor. Chapters 02:22 — Co-Founding xAI 04:36 — An AI Experience You Own 05:59 — Betting Early on Open Weights 07:47 — How Do You Make Money on Free Models? 09:25 — Why the US Needs Its Own Open Models 11:27 — Enterprises Want to Control Their AI 13:36 — What Is Continual Learning? 16:56 — An API That Updates the Weights 19:17 — A Personal AI for Everyone 20:46 — The 20-Minute Training Run