A QR Code is a two dimensional bar code used to encode a message, phone number, or URL. They have started to appear around the area, usually in marketing materials. The codes can be read by software on a mobile phone, and allows hands-free access to web sites.

The COVID-19 pandemic greatly accelerated the use of QR codes across all uses, and they are very typically now found in mobile ordering and menus for all types of restaurants.

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Examples

• MyBuys had one on their window at Liberty and Maynard
• The Ann Arbor Public Art Commission urges you to support public art with a code.
• The Ann Arbor District Library Summer Reading Game put QR codes on its game codes for several Summer Game seasons.
• The Ann Arbor Downtown Development Authority has codes on maps displayed throughout downtown.
• The University of Michigan bus service has QR codes at stops, linking to their Magic Bus system.
• The Throne bathrooms use a QR code to provide information about reserving a seat via SMS.
• A QR code made of sugar cubes was displayed at the Ann Arbor Mini Maker Faire [what year? photo? needs citation]