<sod>'''Crowdsourcing''' is a specific [[sourcing|sourcing model]] in which organizations use contributions from [[Internet]] users to obtain needed services or ideas improving cost, speed, quality, flexibility, and scalability of work.<ref name = Buettner2015b></ref><eod>
<sod>'''Crowdsourcing''' is a specific [[sourcing|sourcing model]] in which organizations use contributions from [[Internet]] users to obtain needed services or ideas. Crowdsourcing was coined in 2005 as a [[portmanteau]]'' of [[crowd]] and [[outsourcing]].<ref name="safire" /><ref>Schenk,  Eric; Guittard, Claude (2009). [https://hal.archives-ouvertes.fr/file/index/docid/439256/filename/Crowdsourcing_eng.pdf. Crowdsourcing: What can be Outsourced to the Crowd, and Why ?]</ref><ref>Hirth,Matthias; Hoßfeld,  Tobias;  Tran-Gia, Phuoc. [http://i3wue.de/staff/matthias.hirth/author_version/papers/conf_410_author_version.pdf Anatomy of a Crowdsourcing Platform - Using the Example of Microworkers.com]. 5th IEEE International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS 2011), June 2011, DOI: 10.1109/IMIS.2011.89</ref><ref name=estelles /> <eod>