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Nowadays, mobile devices and applications offer new possibilities to learn anytime and anywhere. These technologies caused a disruption in traditional learning, opening up a new range of opportunities for learning at the workplace. Quick Response (QR) codes are one example of technology popularized with the adoption of mobile devices. When attached to an object or location, QR codes add a digital layer of information that transform and extend the way workers interact in their daily routines. This paper presents an illustrative scenario in which QR codes are used to support collaboration at the workplace. These QR codes are generated with etiquetAR, an authoring tool that allows creating personalized QR codes that users can access and contribute to with comments. In this scenario, QR codes act as the element for triggering interactions, opening a new communication space that promotes collaboration, sharing and discussion among workers while enhancing reflection and facilitating decision making processes.