According to CoinMeta, Alphabet, Meta, Microsoft, and Amazon have committed to investing $2.4 trillion over the next few years in building AI infrastructure. Among them, the total amount of unfulfilled procurement commitments by Alphabet amounts to $902 billion, Meta has disclosed future expenditures of nearly $700 billion, and Amazon's capital expenditures this year will be increased to $220 billion. Despite the negative free cash flows of Alphabet and Amazon, the four companies have still raised their expenditure plans.