"Exceptionally well researched and data-rich study. A brief summary chapter on recent Caribbean Basin urban trends is followed by two longer in-depth studies of Costa Rican changes (esp. in metropolitican San José) and of Guatemala City. Close attention is paid to 30-40 years of economic...

This paper offers a review of the theory published on crowdsourcing tools from de point of view of the concept's adoption by researchers. Crowdsourcing is a concept that includes many of the online collaboration activities performed by crowds in response to an open call. The paper offers a...