Big Tech is about to spend $725 billion on AI infrastructure in 2026 alone — Amazon (NASDAQ:AMZN), Alphabet (NASDAQ:GOOG), Microsoft (NASDAQ:MSFT), and Meta Platforms (NASDAQ:META) combined, up 77% from $410 billion just last year. That kind of spending has become the defining feature of this market cycle, and most bubble warnings focus on the usual ... IBM’s CEO Just Did the Math on AI Spending — and the Numbers Don’t Add Up