"Do you think, an orchid will ever be able to tell its story? Do you think, it is possible to teach traffic to speak? Do you think, a car can call an ambulance faster than a phone? Can you imagine an ambulance that gathers critical patient information before arriving at the hospital?" The IoT-A movie introduces you to the spectacular story of how the Internet of Things could beneﬁt people and society in the future and how the European Lighthouse Project on the Internet of Things will "make things talk". It provides you with a glimpse into a concept being worked on by the IoT-A project team for several years, namely the Architecture Reference Model, ARM, a dictionary for the IoT, a toolbox for developers.