The vision of an Internet of Things (IoT) has captured the imagination of the world and raised billions of dollars, all before we stopped to deeply consider how all these Things should connect to the Internet. The current state-of-the-art requires application-layer gateways both in software and hardware that provide applicationspecific connectivity to IoT devices. In much the same way that it would be difficult to imagine requiring a new web browser for each website, it is hard to imagine our current approach to IoT connectivity scaling to support the IoT vision. The IoT gateway problem exists in part because today's gateways conflate network connectivity, in-network processing, and user interface functions. We believe that disentangling these functions would improve the connectivity potential for IoT devices. To realize the broader vision, we propose an architecture that leverages the increasingly ubiquitous presence of Bluetooth Low Energy radios to connect IoT peripherals to the Internet. In much the same way that WiFi access points revolutionized laptop utility, we envision that a worldwide deployment of IoT gateways could revolutionize application-agnostic connectivity, thus breaking free from the stove-piped architectures now taking hold. In this paper, we present our proposed architecture, show example applications enabled by it, and explore research challenges in its implementation and deployment.

With the current augmented reality and low-power radio technology present on mobile platforms, we can imagine a standard and physically tangible browsing mechanism for objects in the Web of Things. We explore a model for user interaction with IoT devices that makes use of mobile augmented reality to allow users to identify new devices or easily access regularly-used devices in their environment, enables immediate interaction with quicklyobtainable user interfaces from the web, and provides developers a convenient platform to display custom interfaces for their devices. This model represents a step towards software-based interaction that might, one day, feel as intuitive, accessible, and familiar as the physical interfaces we commonly encounter in our daily lives. CCS CONCEPTS• Human-centered computing → Web-based interaction; User interface design; Mixed / augmented reality; Ubiquitous and mobile computing systems and tools;• Information systems → Service discovery and interfaces; Web interfaces; Users and interactive retrieval; • Networks → Mobile ad hoc networks.

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We are becoming increasingly surrounded by smart and connected devices, popularly known as the Internet of Things. The emerging user interface paradigm for many such things eschews physical buttons, knobs, and displays in favor of virtual interfaces that are downloaded from the web and rendered on remote platforms-like smartphones. However, such smartphone app-based interfaces often require tedious discovery and installation, as well as device discovery, pairing, and configuration before a user can interact with a nearby device. Requiring an explicit app install for each new device type scales poorly with device growth, and particularly hinders casual interactions with ambient devices. Instead of the high-friction, walled-garden approach now taking root, we propose Summon, a physical web browser that provides a seamless, scalable approach to browsing and interacting with nearby things. Summon leverages multiple network patterns and modern web technologies to provide users with rich device interfaces, even for devices under network or power constraints. We argue that this approach scales better and that it provides more intuitive and natural functionality for both users and developers. This demo presents the basic concept, allows others to experience our preliminary implementation, and raises several open research questions.

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