Why not make laptops more modular?

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HAL 8999 writes: “I don’t know what it is with Linux and Main suddenly devoting so much space to notebook computers, but Dennis E. Powell raises some good points in his column this week. It would make a lot of sense if more notebook parts were modular, so buyers could order the machine they want rather than accept what’s shipped. It would get rid of the Win modem hassle, too.”