Until then, you'll just have to put your trust in strangers and hope they have at least a basic understanding of the rule of thirds.

ENGADGET

For 200 years, the chamber has operated on the understanding that any rule-change requires the vote of two-thirds of its members.

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At the height of its mainframe dominance in the 1980s, the rule of thumb was that IBM accounted for half of industry revenues, two-thirds of the profits and three-quarters of the market cap.

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