This book provides the first comprehensive overview of software architecture’s many aspects. Aspiring and existing architects alike will examine architectural characteristics, architectural patterns, component determination, diagramming and presenting architecture, evolutionary architecture, and many other topics. Mark Richards and Neal Ford—hands-on practitioners who have taught software architecture classes professionally for years—focus on architecture principles that apply across all technology stacks.

"Correlation does not imply causation". This mantra has been invoked by scientists for decades and has led to a virtual prohibition on causal talk. But today, that taboo is dead. The causal revolution, sparked by Judea Pearl and his colleagues, has cut through a century of confusion and placed causality - the study of cause and effect - on a firm scientific basis.

In the beginning was the loan, and the loan carried interest. For at least five millennia people have been borrowing and lending at interest. Yet as capitalism became established from the late Middle Ages onwards, denunciations of interest were tempered because interest was a necessary reward for lenders to part with their capital. And interest performs many other vital functions: it encourages people to save; enables them to place a value on precious assets, such as houses and all manner of financial securities; and allows us to price risk.

Since the original publication of Nudge more than a decade ago, the title has entered the vocabulary of businesspeople, policy makers, engaged citizens, and consumers everywhere. The book has given rise to more than 200 "nudge units" in governments around the world and countless groups of behavioral scientists in every part of the economy. It has taught us how to use thoughtful "choice architecture" - a concept the authors invented - to help us make better decisions for ourselves, our families, and our society.

Streamline KPIs to craft a simpler, more effective system of performance measurement.