This unique gathering on Internet of Things (IoT) was held from the 6th to the 9th of June 2017 at the International Conference Centre of Geneva. The entire week, dedicated to state-of-the-art research and innovation in the IoT domain was a great success. The week concluded with the adoption of the “International Declaration on the Internet of Things for Sustainable Development”. The event gathered over 800 experts active in the Internet of Things domain, including over 300 speakers. Attendees were able to participate in around 200 sessions and activities.