Thank You for referencing this work, if you find it useful! Reference/Citation: F. Aiolli, M. Ciman, M. Donini, O. Gaggi: "ClimbTheWorld: Real-time stairstep counting to increase physical activity", In Proceedings of the 11th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (Mobiquitous 14), London, Great Britain, December 2014