What Does 'QR' Stand For Anyway?

Like "Wi-Fi," the term "QR" is used often in day-to-day situations, but not everyone knows what it stands for. English speakers make frequent use of abbreviations to shorten communication or inject a more casual tone. However, we’ve become so accustomed to these shorthand terms that sometimes we use them without even knowing what they stand for.Recently, while eating at a restaurant that required the use of a QR code to access its menu, I came to the realization that neither I nor my dining companions knew what those two letters denote. An informal poll of others in my life found the same. While most of us can easily identify the full words behind shorthands like “VP,” “ft.” and “aka,” we struggle with others. Despite the many years and high frequency with which generations of people have said “OK” or written “lb.,” the words behind those abbreviations are not as widely known. So it stands to reason that the same is true for contemporary additions to the abbreviation lexicon ― like “QR