Abstract
A study by the consultancy firm Gartner has revealed that the number of connected devices in Internet of Things (IoT) will exceed 28 billion by the year 2020.This poses a new set of challenges and opportunities for collaborative technologies.In this presentation, we discuss ThingStore, an Internet-scale platform for collaboration on IoT applications development and deployment; and Tabletop, a multimodal environment for team collaboration in IoT-enabled workplace of the future.