At the core of the chip is what Intel calls a Rapid Execution Engine, an enhancement that allows the core of the processor to operate at twice the frequency than the rest of the chip, Yu said.

CNN: Intel demos Pentium 4 at 2GHz

At the margin, they may make some unpopular routes viable and increase frequency on others, but the notion that they play a vital role in connecting London with the rest of the world is not supported by the evidence.

ECONOMIST: Business travel

The reduced supply of credit is contributing to recessionary fears that are greater in America than in the rest of the world, because the American consumer faces an unusual combination of difficulties, says Ian Shepherdson of High Frequency Economics, a research firm.

ECONOMIST: Business and the credit crunch