The humor of it is that none of these people think of themselves as vain. If it was a simple glass mirror, they couldn’t be brought to spend so much time looking into it. It would be too boring, not to mention embarrassing to be seen doing this in public. But it’s not a simple glass mirror. It’s a mirror of the soul; it feeds them what they love. It shows them what they love to read—opinions that match theirs. It shows them what they love to shop for—possessions that reflect their tastes in housewares, clothing, and books. It shows them what their friends think of them, in quantifiable
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