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The programs explained in this book, despite their strong affinity to the Kotlin way of thinking, will not be totally mysterious to Java developers or developers of other modern computer languages. One of the design goals of Kotlin is expressiveness, so understanding Kotlin programs requires little effort, even when the programs get shorter. But at some point, you have to pay for maximum brevity with a loss of expressiveness and a loss of readability. When it comes to deciding what is better, I favor expressiveness over brevity, but be assured that a loquacious programming style is a no-go. In the end, professional developers want to write concise apps because less code means lower costs when it comes to maintenance.

The Internet Of Things (IOT) is a complex concept made up of many computers and many communication paths. Some IOT devices are connected to the Internet and some are not. Some IOT devices form swarms that communicate among themselves. Some are designed for a single purpose, while some are more general purpose computers. This book is designed to show you the IOT from the inside out. By building IOT devices, the reader will understand the basic concepts and will be able to innovate using the basics to create his or her own IOT applications.

WHAT it is, WHY it works, and HOW people around the world are using it to change their lives in five simple seconds. The events described in this book are real. No names have been changed. The social media posts that appear throughout this book are the actual posts.

The public is wary of the deficit and economic intervention? I’m part of the public, so I guess I had better be wary too. And a big change in the rules? Better keep up with that one too. I earn, save, borrow, spend, and invest money, so I’d better find out about any changes in the rules.Truth is, headlines like this have become part of daily life. Sure, a few years ago, headlines about GDP growth or trade deficits or interest rates were mostly background noise, to be ignored unless you were an economist. Things were going pretty well. We had money to spend, everything was growing just a little each year, our retirement accounts were growing steadily, our jobs were reasonably safe …