“…While situated crowdsourcing may be better suited for "local" tasks [27], it has also been shown to be effective with typical crowdsourcing tasks that can be seen in online labour markets [26]. While some situated crowdsourcing deployments do not track workers, making it impossible to assign task based on an individual's cognitive abilities [18,20,27], others have tracked individual workers, such as Bazaar, a situated crowdsourcing market that had user accounts, a virtual currency and rewards [26]. Here, as with online crowdsourcing platforms, having an initial cognitive assessment stage could be beneficial.…”