កូដ QR: ការប្រើប្រាស់ក្នុងវិស័យទីផ្សារ

ការប្រើប្រាស់ក្នុងវិស័យទីផ្សារ 
thumb|A giant QR Code linking to a website, to be read with a mobile phone.
Recently, QR codes have become more prevalent in marketing circles and have been integrated into both traditional and interactive campaigns. Media where QR codes have been deployed include: billboard ads, guerilla marketing campagns, in-store displays, event ticketing and tracking, trade-show management, business cards, print ads, contests, direct mail campaigns, websites, email marketing, and couponing just to name a few. QR codes are of particular interest to marketers, giving them the "ability to measure response rates with a high degree of precision"Printers Can Demonstrate ROI to Clients Using Interactive Marketing , OutputLinks.com referenced 2010-10-22 allowing for easier ROI (return on investment) calculation, thus helping justify spending on marketing budgets. QR codes have also been used at trade shows and in conferences.

QR codes can be seen on an art festival map for Canton Ohio's "First Friday". The QR code was designed by Think Roth, a multi-media marketing company from Ohio. The QR code on the festival's map takes you to a "phone friendly" map with coupons for free coffee and art discounts around town.

In the property market QR codes can replace brochure boxes and are used to promote properties as well as online search engines.  Approximately 50% of all homes are sold to first time buyers.  With the advent and acceptance of mobile technology, it is thought that adding QR codes will enhance their experience and deliver information instantly.

In street art, La Pluma Eléctri*k (street art collective based in Madrid) and Space Invader (from France) are two examples of artists who use it in the street for art purposes.

In July 2009, QR codes were created for character design and promotional materials in the Shane Acker film 9. The use of QR codes was part of the characters in the movie and culminated into a promotional campaign with unique QR code cards, posters and street advertisements on billboards or public transportation for major popular art events. These advertisements were largely focused upon the attendees of the 2009 San Diego Comic Con and 2009 Oscars. QR codes were integrated into the artwork and symbolized individual characters in the movie. Instructional pamphlets and videos were released to explain how the codes could be retrieved and deciphered. QR-coded artwork could be read with QR-capable cellphones for prizes and access to exclusive online content. This was one of the first major integrations of QR codes with Hollywood studios and urban environments.Find the hidden QR-Codes for Nine . «Focus Features», July 10, 2009. Retrieved 2010-08-15.

In January 2011, the Memphis Rock 'n' Soul Museum launched a line of museum t-shirts and apparel which feature museum logos and designs on the fronts, and a QR code screened on the right back shoulder, which directs to the museum's web site or artist interviews.

QR codes are also widely used in the tourism. For example in Lviv (Ukraine), Lviv Tourism Movement that consolidates businessmen have placed QR codes on more than 80 tourism objects. QR codes are in several languages, which helps individual tourist easily to get the information on the city.