crowdsourcing

Some of you maybe already have read the paper by René Sieber and Muki Haklay "The epistemology(s) of volunteered geographic information: a critique". For those who have and those who haven't, they published an interesting blog about how they came to write the paper:

Being philosophical about crowdsourced geographic information
http://blog.geographyandenvironment.com/2015/10/12/being-philosophical-a...

An interesting project to create a land value map for Latin America. Crowdsource data collection and cloud computing platform for data management and visualization.

http://editor.giscloud.com/map/337619/valores-del-suelo-lac