G+ com un entorn col·laboratiu de resposta a les crisis <a href="http://un-spider.org/about-us/news/en/5225/2011-07-05t161400/google-crowdsourcing-crisis-information-crisis-mapping-and">http://un-spider.org/about-us/news/en/5225/2011-07-05t161400/google-crowdsourcing-crisis-information-crisis-mapping-and</a><br>
<br>Raf<br>