In contrast to the myth of the "Digital Native" and the ubiquity of Facebook use, we have found that students' digital identities are predominantly social with their online activity beyond Facebook limited to being social media consumers rather than producers. Within a global economy students need to learn new digital literacy skills to prepare them to become active participants of professional networks. In this paper we explore a case study consisting of the development of a six-week elective course that aims to develop students' professional digital identity, by leveraging a community of practice network of global educators modeling the educational and critical use of mobile social media. [For the full proceedings, see ED562096.]