Quick Response (QR) codes can be read via a camera on a mobile device and reader software to automatically browse to website without having to type in a URL, receive text information, receive additional details, make a phone call, or a number of other actions. Another name is a Data Matrix code or Microsoft has their own version called Microsoft Tag. One use for support is to place a code on equipment with a link back to the operating instructions or manual. Both the creation tools and the readers are usually free.