"The internet is no longer a web that we connect to. Instead, it's a computerized, networked, and interconnected world that we live in. This is the future, and what we're calling the Internet of Things."
- Bruce Schneier
"I believe that at the end of the century the use of words and general educated opinion will have altered so much that one will be able to speak of machines thinking without expecting to be contradicted."
– Alan Turing
From our last chapter, we covered the core architecture of the internet, and how blockchain and distributed cryptography offer a new way to manage identity, data, and communication online. This evolution applies to everything built on the internet, not just surfing the web. Everything from e-commerce to the internet of things to artificial Intelligence will be affected by blockchain, and someday we will likely look back at today's internet in the same light we see 56k modems and dial tones over a phone line.
The best place to start is with the "Internet of Things" (IoT), which is the vast network of web-connected devices in our homes, offices, and streets, all of which connect to the broader internet and the internet platforms that operate and maintain them. Every day more and more devices are being connected to the web beyond just mobile phones and computers. Refrigerators, thermostats, autonomous vacuum cleaners, sound systems, washing machines, hardware such as your Fitbit or smartwatch, and even now light bulbs are Wi-Fi enabled.
IoT has given us a world where everything is modifiable, monitored, and integrated. It is a massive marketplace where specific companies have billions of devices deployed across the globe. This proliferation is so immense that North America ran out of IP addresses built in the original IPv4 format in the fall of 2015. According to IT infrastructure firm CISCO Systems, there are anticipated to be 50 Billion IoT devices online by 2020 - just a year from this writing...
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