It requires a bit of new plumbing and a few extra lines of code for the engine's control computer.

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Another adds an extra level of security with a code needed to activate the card.

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This additional optimisation takes extra time, but the fact that the code will subsequently run faster more than makes up for it.

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The Konami Code is perhaps the most famous cheat code ever, a controller sequence that unlocked extra lives and virtual goodies in console games including Contra, Gradius, and Gyruss.

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The common proxy for this extra difficulty is the number of new words added to the code since the survey was taken (about 500, 000).

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If it transfers a chunk of numbers to another area code, as it did with the Bronx, the new 646 code would not be needed, but the scheme would not create much extra space on the network.

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