Intel launched its new Core i7 chip today. John Markoff's behind-the-scenes report in the Times is a good alternative to the technical-stats posts you can Google up anywhere. Intel — and several thousand miserable business reporters — want to spin Core i7 as as a sign of new hope for the tech industry's future. Truth is, there are three reasons Core i7 can't save us all:Forrester CEO George Colony listed them last week: