Mozilla has admitted that it has closed down its Connected Devices division – the group that inherited Firefox OS after Mozilla abandoned its plans to challenge the smartphone incumbents in emerging markets. It’s unclear if Mozilla ever had much zeal for the IoT, but if its ambitions were sincere, its failure proves that you can’t simply jump on the IoT bandwagon in an attempt to turn things around. Mozilla, a non-profit most famous for its Firefox browser, has been losing ground to Google’s Chrome browser for years. Away from PC web browsers, it suffered similar problems in mobile, and was looking for a way to expand its business. This drive led to the creation of Firefox OS, an operating system…