RISKU, HANNA, EVA MAYR, and MICHAEL SMUC. 2009. “SITUATED INTERACTION AND COGNITION IN THE WILD, WILD WORLD: UNLEASHING THE POWER OF USERS AS INNOVATORS”. Journal of Mobile Multimedia 5 (4):287-300. https://journals.riverpublishers.com/index.php/JMM/article/view/4793.