Why, until two years ago, were Nike and the Gap's codes available only in English?
The range and purpose of the codes available is country-specific.
By having less code available to unauthorized actors, there will tend to be fewer failures.
The code available for searching was in various formats including tar.
Using a widely available off-the-shelf commercial code, the two men passed several messages back and forth as they kept each other informed of their transactions.
The number of available codes for new services was quickly dwindling.
Upon looking at cases for other PC games, it was noted that several of them had their codes readily available.
Most remotes also allow the user to cycle through the list of available codes to find one that matches the device to be controlled.
The sixth wire was to provide a common return so that the needles could be operated independently, thus giving the possibility of more available codes.
In an age when there was an infinity of printed books available such codes were not easy to break.