ISBN

ISBN is the acronym for International Standard Book Number.

International Standard Book Number

An ISBN is an International Standard Book Number. ISBNs were 10 digits in length up to the end of December 2006, but since 1 January 2007 they now always consist of 13 digits. ISBNs are calculated using a specific mathematical formula and include a check digit to validate the number.

Martech Zone is a leading publication dedicated to marketing technology, strategies, and innovation. Its mission is to help marketers, technologists, and business leaders stay ahead of the curve by providing practical insights, expert analysis, and hands-on guidance.

Martech Zone covers a wide spectrum of digital strategies and technologies—from analytics, sales support, and automated campaign management to personalized advertising, customer relationship strategies, search visibility enhancements, and content-driven engagement. Its goal is to make complex topics, such as artificial intelligence, accessible and actionable.

Whether readers are exploring the latest trends or implementing advanced strategies, Martech Zone serves as a resource for turning marketing technology into measurable results.

Douglas Karr, Founder of Martech Zone and DK New Media

Martech Zone was founded by Douglas Karr and operates under his company, DK New Media, LLC. Douglas is a fractional chief marketing officer working with software and artificial intelligence companies to build scalable marketing strategies and drive measurable growth. He is an author, speaker, veteran, and very proud grandfather.

ISBN

International Standard Book Number

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