e definitions of both sur- and sous- veillance (the act of watching), in addition to the definition above, include: Surveillance is defined as cameras (or other sensors) affixed to property (real-estate, e.g. land, by way of posts or poles, or buildings), whereas sousveillance is defined as cameras (or other sensors) borne by people.[12][13][14][15]Surveillance is the veillance of the authority (i