#ai infrastructure

SK Hynix's Nasdaq debut was the largest US listing ever by a foreign company. It controls roughly 60% of high-bandwidth memory, which is the actual constraint on AI compute. The harder question is whether memory has really stopped being a cyclical business, and I don't think it has.

Anthropic went from $1B to roughly $30B in annual run-rate revenue in 15 months, and Claude now breaks most mornings between 9 AM and noon Pacific. The outages aren't random. They're concentrated exactly where Claude won: long-running coding agents, on the messiest multi-cloud stack in the industry, metered by a rate limiter that sometimes drains a weekly quota in 19 minutes.