“…Their initial studies explored the challenges associated with building the technological infrastructure necessary to simultaneously support mobility and collaboration, emphasizing technical issues such as connectivity, distribution and interoperability. This area of concern remains highly relevant today, although the requirements have become more challenging regarding networks' reliability, users' reachability, event propagation and information pushing (Messeguer, et al, 2009;Sousa, Preguiça, & Baquero, 2009). …”