Most biometric books are either extraordinarily technical for technophiles or extremely elementary for the lay person. Striking a balance, this book is geared toward the business, IT, or security manager required to make purchasing, migration, or adoption decisions. Presenting technical background on the various biometric technologies and how they work, it looks at optimal application in various settings and their respective strengths and weaknesses considering ease of use, false positives and negatives, and privacy and security issues. It also discusses exciting trends in biotechnology such as biocryptography and biometrics in the cloud.