deterrents

An an even better article, specifically about Moveable Type and spam deterrents, is here.

Comment Spam Sucks 2004

Third, even if one agrees with the NPR's argument that missile defense can somehow compensate for the deterrence allegedly lost by reducing the nuclear arsenal, an enormous logical flaw persists: The two alleged "deterrents" -- the operational stockpile and missile defenses -- are aimed at different countries and aren't interchangeable.

Web Edition | Bulletin of the Atomic Scientists Yousaf Butt 2010

Both the French and the British, though, are keen to point out that they say the nuclear deterrents, that is the deterrence capability, their ability to launch these missiles, was never affected, nor was the security of the nuclear weapons themselves.

CNN Transcript Feb 16, 2009 2009

The radar-linked cannon are most effective probably because they only fire when the birds approach, and not all the time — which solves one of the big problems of all visual and audio-based bird deterrents, which is that the birds become habituated to them over time.

Shoo! Shoo! Edward Willett 2006

The radar-linked cannon are most effective probably because they only fire when the birds approach, and not all the time — which solves one of the big problems of all visual and audio-based bird deterrents, which is that the birds become habituated to them over time.

Archive 2006-04-30 Edward Willett 2006

My fear is that the same problems Finn identifies as deterrents to universal pre-K will apply to his solutions as well.

TakePart Social Action Network™ 2009

After publication, WikiLeaks founder Julian Assange argued that the documents could serve as "deterrents" to future war crimes.

To Publish Leaks Or Not to Publish? Russell Adams 2010

Israel, after all, is the most bellicose state on the planet, judging by the number of wars it has started; and in addition to being otherwise armed to the teeth, it has more than two hundred of its own "deterrents" at the ready.

Andrew Levine: The "Existential Threat" 2010

America depended on "deterrents" for decades to offset the possibility of a nuclear war with the Soviets.

The Case for a Nuclear Iran 2005

Besides, to the Germans what kind of deterrents could law and other fictions invented by weak nations possibly be? ...

The Four Horsemen of the Apocalypse. (Los Cuatro Jinetes del Apocalipsis) from the Spanish of Vincente Blasco Ibanez; authorized translation by Charlotte Brewster Jordan. 1918