Tech Digest – February 28, 2026
Pentagon designates Anthropic a supply-chain risk over surveillance and weapons red lines; OpenAI steps in with its own classified network deal hours later. OpenAI closes $110B at $730B valuation. Nvidia unveils Groq-based inference chip at GTC. 20,000 AI-generated comments kill a California climate rule. FDA approves a cancer drug in 44 days.