This book contains an in-depth look at the products and innovations that created the digital data storage industry we live in today. Suitable as an academic reference, it contains a first-person account of the past, present, and likely future trends in the data storage industry. Larry has held various technical positions during more than 30 years in the data storage industry. At Telex Computer Products, he was responsible for maintaining mainframe disk and tape drives at key field sites. At NEC Information Systems, he designed disk drive quality measurement criteria for major OEM customers. At Spectra Logic, he was the senior product manager for enterprise tape libraries and at NetApp he has been a principal evangelist for technologies such as deduplication and storage efficiency.