But as 'hard to reach' customers are also more expensive to reach, it gets harder and more expensive to hit targets.
The result is that, if you wind the handle faster, it gets harder to turn, and the battery is charged more quickly.
When an economy transforms itself from grasshopper to ant, it gets harder.
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And without that training, without meeting the force requirements for an Afghan national security force, it gets harder for Afghans to ultimately assume responsibility.
But this may change if present trends continue and it gets harder to find non-GM sources for such ingredients as soya oil and maize syrup.
As it gets harder and harder to prove a benefit of new medicines, he says, doctors will have to make due with mixed results more and more often.
She would like to as well, but it gets ever harder for Iraqi passport holders to secure visas.
You know, when banks and insurance companies and securities firms all do a lot of the same things, it just gets harder to say when one company deserves to get bailed out and another doesn't.
What we all know as veterans of Washington and understand how cycles work, it gets a lot harder to do hard things in an election year, right?
And the lower nuclear numbers go, the harder it gets to maintain stability and security, since unexpected challenges can have bigger consequences when a country has fewer weapons rather than many.
Because we are operating in new areas and challenging elements in those areas, this effort may get harder before it gets easier.
The bigger Google gets, the harder it is to foster useful conflict and make fast decisions.
The bigger Apple gets, the harder it is for the Cupertino, Calif.
The computer industry constantly strives to pack more, and therefore smaller, components on to each chip, but the smaller a capacitor gets, the harder it is to store enough charge on it.
And as copying gets harder to regulate, it may cease to be the most effective means of doing that.
If steel gets its way, it will become harder to face down other powerful domestic protectionists, from textile workers to citrus growers.
The more people who use the product, the more valuable the product gets, and the harder it is for competitors to break in and offer another viable choice.
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Computers keep getting faster and more sophisticated, enabling more data to be processed and analyzed, but every time a network gets larger or a processor smarter, it becomes harder to understand what it's doing, and more difficult and expensive to manage.
It was 100% dependent on parental reports, and that gets harder as the kids get older.
As oil gets harder to find, more money will be spent trying to find it.
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