Today, Chicago joins a rapidly growing list of state and local government customers that are taking advantage of the cost savings and efficiency benefits of moving to the cloud with Microsoft, including the City of San Francisco, the State of California and the State of Minnesota.

 

http://www.cityofchicago.org/city/en/depts/mayor/press_room/press_releases/2013/mayor_emanuel_announcescitynamed2012cleanfuelschampion/city_of_chicago_adoptscloudcomputingstrategyforcity-wideemailand.html