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Microsoft extends data center lifespan from 15 years to 25 years — this isn’t accounting, it’s magic On July 29, Microsoft released its earnings report. Revenue hit 90 billion, exceeding expectations. Azure growth was 43%, also beating forecasts. The stock price jumped nearly 9% after hours. Everyone was celebrating. But if you look closely at the report, one detail kept me awake at night. Microsoft announced: the estimated useful life of data centers and office buildings has been extended from 15 years to 25 years. CFO Amy Hood said this reflects "our operational history and the expected use of assets." In plain English: we think data centers can last 25 years, so no need to rush depreciation. Then what? The 2026 capital expenditure guidance was lowered from $190 billion to $175 billion. That’s 15 billion less on the books. But the actual spending hasn’t changed a bit. Wait, isn’t this just changing a number? Yes. Pure accounting maneuver. Extend depreciation period → annual depreciation expense decreases → profit numbers look better → capital expenditure guidance "drops" → market thinks "AI spending is cooling down? Good news!" One move, three wins. But here’s the problem — can data centers really last 25 years? An AI chip is replaced every 18 months. GPUs update every two years, servers are retired every three to five years. You tell me data centers can hold up for 25 years? The chips inside have been replaced over a dozen generations, but the building is still depreciating? Economist David Woo bluntly said: the AI bubble has officially burst. He’s already building short positions related to AI. Michael Burry is even harsher — he says these tech giants inflated profits by 20% using accounting tricks. If calculated with a real 2.5-year depreciation cycle, these companies’ profitability would vanish. What’s the most ironic? In Q4, Microsoft’s capital expenditure was $41 billion, up 69% year-over-year. They opened 88 new data centers in one year. Moody’s raised the 2026 capital expenditure forecast for the six major hyperscale cloud providers to $785 billion. AI investment hasn’t stopped; it’s accelerating. But by extending the depreciation period, the cost of these investments is "hidden" in the financial statements. Short-term profits look good, but what about the long term? Tell me, will these data centers still be in use 25 years from now? This reminds me of the 2000 dot-com bubble. Back then, companies used all kinds of accounting tricks to turn losses into profits. Now? They hide depreciation, boost profits, and keep stock prices stable. When the tide goes out, who’s swimming naked? Microsoft’s real quarterly capital expenditure is $41 billion, annualized over $160 billion. The GPUs, servers, and data centers bought with this money definitely won’t last 25 years. Eventually, they’ll either be scrapped early with a one-time loss recognized, or the depreciation period will be "adjusted" again — pushing the problem down the road. This isn’t asset management; it’s a game of hot potato. $MSFT $META $GOOGL #折旧年限延至25年，微软资本开支指引下调