People tend to exaggerate and omit things; surveys don’t show the whole picture, and research is not sufficiently representative—so basically, everyone is lying… Except Big Data! Here’s a sensational book about how, with the help of big data and modern technologies, you can uncover all the hidden details of today’s society. The author of this book, a Google specialist in Data Science, found out what people hide and what they really are—not what they want to appear as. So what did he discover?