The AI arms race is getting expensive fast. Alphabet (NASDAQ:GOOG)(NASDAQ:GOOGL), Microsoft (NASDAQ:MSFT), Amazon (NASDAQ:AMZN), and Meta Platforms (NASDAQ:META) are now on track to collectively spend roughly $710 billion to $725 billion this year building data centers, networking systems, and AI chips. That raises an uncomfortable question for investors: How long can hyperscalers keep pouring hundreds ... Did Google Just Turn Chrome Users Into Its AI Data Center?