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The WIRED Guide to the Internet of Things

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The WIRED Guide to the Internet of Things

What you need to know about the promise (and peril) of networked lightbulbs, ovens, cameras, speakers and, well … everything. 

How many engineers does it take to change a lightbulb?

 

Depends on whether or not that lightbulb is connected to Wi-Fi.

 

Lightbulbs, along with refrigerators, coffee makers, microwave ovens, baby monitors, security cameras, speakers, televisions, and thermostats have, in the past few decades, transformed from ordinary objects into conduits for the future. Embedded with sensors that see, hear, and touch the world around them, they can turn physical information into digital data. Collectively, these devices—and there are billions of them around the world—make up the “internet of things.”

 

Just about anything with network connectivity belongs to the internet of things, from security cameras and speakers to smart watches and denim jackets. In the “smart home,” these internet-enabled gadgets liberate us from our chores, give us back some of our time, and add a dash of novelty to ordinary experiences. (“Alexa, turn on the disco lights.”) But the internet of things is about more than just using your voice to preheat the oven or using your phone to turn off the lights. The real promise of the internet of things is making our physical surroundings accessible to our digital computers, putting sensors on everything in the world and translating it into a digital format. Internet-connected objects could be the key to unlocking predictions about everything from consumer behavior to climate events, but those same objects could invite hackers into personal spaces and leak intimate data. Depending on who you ask, the growing internet of things either represents the promise of technology—the thing that will reinvent modern life as we know it—or that which will be our technological undoing.

 

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The History of the Internet of Things

The dream of a sensory computer as the centerpiece of the smart home has occupied the popular imagination for at least half a century. Sci-fi writers like Ray Bradbury and television shows like The Jetsons brought the automated house to life, and inventors began creating prototypes for exhibitions around the world, showing off ideas for self-cleaning homes and furniture that could move itself around for its occupants.

 

The net benefit of these gizmos was, for the most part, liberation from housework. At the 1959 American National Exhibition in Moscow, Whirlpool created an exhibit called the “Miracle Kitchen”—a futuristic display meant to show what life in capitalist America was like. It included a dishwasher that cleared the table and a proto-Roomba to sweep the floors. “In America, we like to make life easier for women,” Richard Nixon said to Nikita Khrushchev, the President of the Soviet Union, in an apparent jab on the showfloor.

 

Most of the early smart home inventions used automatic controls, making it possible to turn something or off without lifting a finger. But they didn’t connect to anything else, and their functionality was limited. That would begin to change in 1983 when ARPANET, the earliest version of the internet, adopted the internet protocol suite (also known as TCP/IP). The protocol set standards for how digital data should be transmitted, routed, and received. Essentially, it laid the groundwork for the modern internet.

 

The first internet-connected “thing” to make use of this new protocol was a toaster. John Romkey, a software engineer and early internet evangelist, had built one for the 1990 showfloor of Interop, a trade show for computers. Romkey dropped a few slices of bread into the toaster and, using a clunky computer, turned the toaster on. It would still be a decade before anyone used the phrase “internet of things,” but Romkey’s magic little toaster showed what a world of internet-connected things might be like. (Of course, it wasn’t fully automated; a person still had to introduce the bread.) It was part gimmick, part proof of concept—and fully a preview of what was to come.

 

The term “internet of things” itself was coined in 1999, when Kevin Ashton put it in a PowerPoint presentation for Procter & Gamble. Ashton, who was then working in supply chain optimization, described a system where sensors acted like the eyes and ears of a computer—an entirely new way for computers to see, hear, touch, and interpret their surroundings.

 

As home internet became ubiquitous and Wi-Fi sped up, the dream of the smart home started to look more like a reality. Companies began to introduce more and more of these inventions: “smart” coffee makers to brew the perfect cup, ovens that bake cookies with precision timing, and refrigerators that automatically restocked expired milk. The first of these, LG’s internet-connected refrigerator, hit the market in 2000. It could take stock of shelf contents, mind expiration dates, and for some reason, came with an MP3 player. It also cost $20,000. As sensors became cheaper, these internet-connected devices became more affordable for more consumers. And the invention of smart plugs, like those made by Belkin, meant that even ordinary objects could become “smart”—or, at least, you could turn them on and off with your phone.

 

Any IoT system today contains a few basic components. First, there’s the thing outfitted with sensors. These sensors could be anything that collects data, like a camera inside a smart refrigerator or an accelerometer that tracks speed in a smart running shoe. In some cases, sensors are bundled together to gather multiple data points: a Nest thermostat contains a thermometer, but also a motion sensor; it can adjust the temperature of a room when it senses that nobody’s in it. To make sense of this data, the device has some kind of network connectivity (Wi-Fi, Bluetooth, cellular, or satellite) and a processor where it can be stored and analyzed. From there, the data can be used to trigger an action—like ordering more milk when the carton in the smart refrigerator runs out, or adjusting the temperature automatically given a set of rules.

 

Most people didn’t start building an ecosystem of “smart” devices in their homes until the mass adoption of voice controls. In 2014, Amazon introduced the Echo, a speaker with a helpful voice assistant named Alexa built in. Apple had introduced Siri, its own voice assistant, four years prior—but Siri lived on your phone, while Alexa lived inside the speaker and could control all of the “smart” devices in your house. Positioning a voice assistant as the centerpiece of the smart home had several effects: It demystified the internet of things for consumers, encouraged them to buy more internet-enabled gadgets, and encouraged developers to create more “skills,” or IoT commands, for these voice assistants to learn

 

The same year that Amazon debuted Alexa, Apple came out with HomeKit, a system designed to facilitate interactions between Apple-made smart devices, sending data back and forth to create a network. These unifying voices have shifted the landscape away from single-purpose automations and toward a more holistic system of connected things. Tell the Google Assistant “goodnight,” for example, and the command can dim the lights, lock the front door, set the alarm system, and turn on your alarm clock. LG’s SmartThinQ platform connects many home appliances, so you can select a chocolate chip cookie recipe from the screen of your smart fridge and it’ll automatically preheat the oven. Manufacturers bill this as the future, but it’s also a convenient way to sell more IoT devices. If you already have an Amazon Echo, you might as well get some stuff for Alexa to control.

 

By 2014, the number of internet-connected devices would surpass the number of people in the world. David Evans, the former chief futurist at Cisco, estimated in 2015 that “an average 127 new things are connected to the internet” every second. Today, there are over 20 billion connected things in the world, according to estimates from Gartner. The excitement around the brave new internet-connected world has been matched with concern. All of these objects, brought to life like Pinocchio, have made the world easier to control: You can let the delivery man in the front door, or change the temperature inside the house, all with a few taps on a smartphone. But it’s also given our objects—and the companies that make them—more control over us.

 

The internet of things brings all the benefits of the internet to items like lightbulbs and thermostats, but it brings all the problems of the internet, too. Now that people have their speakers, television sets, refrigerators, alarm clocks, toothbrushes, light bulbs, doorbells, baby monitors, and security cameras connected to the Wi-Fi, nearly every device in the house can be compromised, or rendered useless. Consider the whims of internet connectivity: When your Wi-Fi goes down, so do your devices. Router problems? That means you can’t turn on the heat with your smart thermostat, or unlock your smart door lock. Things that used to be easy become potentially faulty, if not impossible, when they require an Alexa command or a smartphone control rather than a physical button. Many of these devices also run on proprietary software—meaning, if their manufacturer goes bunk, gets sold, or stops issuing software updates, your clever little gadget becomes a useless hunk of plastic.

 

Risk of bricking aside, connecting things to the internet also leaves those objects, and everything else on your Wi-Fi network, more vulnerable to hackers. Laura DeNardis, in her recent book The Internet in Everything, has called this threat to cybersecurity the greatest human rights issue of our time. The risk isn’t just that some prankster breaks into your smart washing machine and upsets the spin cycle, or that your Nest camera gets hijacked with a message to subscribe to PewDiePie’s YouTube channel. (Yes, that really happened.) A hacked smart lock means someone can open your front door. Hack into enough smart water heaters and you can send a city into a massive blackout. And one vulnerable device can compromise the whole network. As WIRED’s Lily Hay Newman points out, “IoT devices have been conscripted into massive botnets, compromised for nation-state reconnaissance, hacked to mine cryptocurrency, and manipulated in assaults on power grids.”

 

The threat to internet-connected devices comes not just because they’re connected to the internet, but because device manufacturers have not always designed their products with security as a priority. In 2016, malware called Mirai exploited these kinds of vulnerabilities in over 600,000 IoT devices to create a massive distributed denial of service (DDoS) attack. The following year, an attack called Krack infected nearly every internet-connected device connected to Wi-Fi. The attack was crippling and difficult to defend against, in part because the internet of things runs on so many disparate operating systems. When a phone or a computer gets hit with a virus, software makers are generally quick to issue a patch. But things like routers or internet-connected doorbells don’t usually receive software updates needed to protect against vulnerabilities, and many of them weren’t built with the same kind of security protocols as computers. After the Krack attack, one security researcher predicted that we would stitll “find vulnerable devices 20 years from now.”

 

Then there’s the question of privacy. If cameras and microphones are studded around your home, they are definitely watching and listening to you. Everything in the internet of things collects data—and all that data has value. In a recent study, researchers found that 72 of the 81 IoT devices they surveyed had shared data with a third party unrelated to the original manufacturer. That means the finer details of your personal life—as depicted by your smart toothbrush, your smart TV, or your smart speaker—can be repackaged and sold to someone else. Google and Apple both admitted, last year, that the recordings captured by their smart speakers are reviewed by contractors, including awkward and intimate snippets of audio. Amazon has partnerships with over 400 police departments, who use the footage from its Ring doorbell cameras to keep watch on neighborhoods. An ever-expanding internet of things doesn’t just have consequences for personal privacy. It can create a network of computer eyes and ears everywhere we go.

 

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The Future of the Internet of Things

One day, the internet of things will become the internet of everything. The objects in our world might sense and react to us individually all the time, so that a smart thermostat automatically adjusts based on your body temperature or the house automatically locks itself when you get into bed. Your clothes might come with connected sensors, too, so that the things around you can respond to your movements in real time. That’s already starting to happen: In 2017, Google announced Project Jacquard, an effort to create the connected wardrobe of the future.

 

This vision extends far beyond your clothes, and even your home. You’ll also have smart offices, smart buildings, smart cities. Smart hospital rooms will have sensors to ensure that doctors wash their hands, and airborne sensors will help cities predict mudslides and other natural disasters. Autonomous vehicles will connect to the internet and drive along roads studded with sensors, and governments will manage the demands on their energy grids by tracking household energy consumption through the internet of things. The growth of the internet of things could also lead to new kinds of cyber warfare; imagine a bad actor disabling every smart thermostat in the dead of winter, or hacking into internet-connected pacemakers and insulin pumps. It could create new class systems: those with robot maids, and those without. Or, as Ray Bradbury described in one short story from 1950, all the people might disappear—but the smart homes, preparing meals and sweeping the floors, will live on.

 

If we’re going to get there—whether we like “there” or not—we’re going to need faster internet. (Enter: 5G.) We’ll also need to keep all those devices from mucking up the airwaves, and we’ll need to find a better way to secure the data that’s transmitted across those airwaves. Recently, the Swiss cryptography firm Teserakt introduced an idea for a cryptographic implant for IoT devices, which would protect the data that streams from these devices. There are also ideas for creating a better standard for IoT devices, and plans to help them get along with each other, regardless of which company makes them or which voice assistant lives inside. However the internet of things changes the future, first they just need to work. Hey Alexa, can you help with that?

 

 

Source: The WIRED Guide to the Internet of Things (Wired)

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