2014年2月広域豪雪災害情報Crowdmap is closed. Keep reading to learn about the evolution of crowdsourcing technology from Ushahidi Ushahidi released a total re-imagination of its crowdsourcing service in 2015, moving the tools it provided from Crowdmap.com to Ushahidi.io. Crowdmap launched in 2010 to give people the tools to organize, collect, and visualize data in a single place, by pressing just a few buttons. Ushahidi, t
