Finding prior art in the traditional, offline way is often very costly, not least in researchers.
Still, there are huge sacrifices - not least in losing touch with what's happening back home.
Mr Obama's challenges are enormous, not least in pushing through reform of health care.
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Getting this wrong can be costly in many ways -- not least in morale, time and money.
True, Bankia had the biggest property exposure in Spain, not least in Valencia on the Mediterranean coast.
He says shared values and interests, and long experience of co-operation, not least in intelligence, matter more.
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Whatever the motive, it showed profound misjudgment, not least in Mr Sharon's assessment of the mood in Washington.
He is witty and imaginative, not least in his daring choice of metaphor.
Poles like to imitate the French in many things, not least in their passion for protest in the streets.
America wants both countries to co-operate more, not least in regional military exercises planned for this year and next.
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And yet swearing has its enthusiasts, not least in the field of comedy.
But Mr Morris's baleful influence lingers long after he has gone, not least in the mind of the president.
Although they rarely make headlines, their leadership is abundantly apparent in international trade figures, not least in bilateral Japan-Korea trade.
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Eurocrats detect a seriousness of purpose about him, not least in appointing a respected economist, Yannis Stournaras, as finance minister.
Egypt, too, has relaxed its siege, letting Gazans holiday abroad, not least in Sinai's fleshpots, for the first time in years.
Emptiness has a value of its own, not least in a country where many people must live without the luxury of space.
It will condition Italy's politics for months to come, not least in the increasingly likely event of there being a snap general election.
The prospect poses an enormous challenge to Europe's governments, not least in thinking about what the new European Idea, if any, should be.
There is a common fallacy, not least in Germany, that dropping the Greeks would be a fairly costless way to teach a useful lesson.
Once again, he has certainly made mistakes, not least in choosing a lame running mate and engaging in a futile debate about the debates.
Ireland is turning to its strong identity abroad, not least in the sprawling 70m-strong Irish diaspora, to help lift it out of an unprecedented economic crash.
Already, the crisis is taking its toll on the single market, not least in the balkanization of the banking system which is fragmenting along national lines.
Those virtues, they argued, underpinned their economic miracles and won envious admiration abroad, not least in Western countries bent under the weight of their social obligations.
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Too many times, though, it has run up against corporate pressure applied through Congress, not least in the case of special-purpose entities, the trick that Enron used.
They are also the views that will repel a lot of voters, not least in secular New Hampshire, who might otherwise be intrigued by Mr Santorum's qualities.
To be fair, Mr Mbeki's attention to detail has helped to stabilise the economy at a time of turbulence in other emerging markets, not least in Africa.
In the past few months Gus Dur has made matters worse for himself through several bone-headed misjudgments, not least in some of the appointments he has made.
But the cost of the years of conflict will be paid for a long time yet, not least in terms of lawlessness, social disruption and lost education.
Yet there is a shortage of safe water for drinking and sanitation in many places, not least in the cities to which so many people are now flocking.
Since then, the BBC has found itself under almost constant fire, not least in the newspapers which now compete with it, as they extend their businesses onto the internet.
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