  We conducted a set of Rapid Reviews to characterize Internet of Things
facets. We formatted a generic meta-protocol that was instantiated for each of
the six facets presented (Connectivity, Things, Behavior, Smartness,
Interactivity, and Environment)and considering the issue of Security, one of
the most important and frequent challenges in the context of IoT. The
meta-protocol is detailed and the results of each review are presented.
