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Denny Hatch is the author of six books on marketing and four novels, and is a direct marketing writer, designer and consultant. His latest book is “Write Everything Right!” Visit him at dennyhatch.com.

Peter J. Rosenwald is an expat American living and working in Brazil; founder and first CEO of Wunderman Worldwide, International Division of Wunderman agency) and first chairman of Saatchi & Saatchi Direct Worldwide; strategist and senior executive in charge of building subscription and data-driven marketing for Editora Abril, Latin America's leading magazine publisher; founder of Consult Partners, active strategic marketing consultancy working in Brazil, U.S. and U.K. International keynote speaker on data-driven marketing and author of "Accountable Marketing" (Thomson), "Profiting From the Magic of Marketing Metrics" (Direct Marketing IQ), and "GringoView" blog author for Brazilian Huffington Post. With an international perspective, my blog's purpose is to share my maverick views of this business I've spent the last half-century working in, enjoying and observing.

They say data is an asset. I say it, too. If collected data are wielded properly, they can definitely lead to financial gains, either through a revenue increase or cost reduction. But that doesn’t mean that possessing large amounts of data guarantees large dollar figures for the collector. Data governance matters.

Chet Dalzell’s recent thoughtful piece on “Our Digital Selves” came along at the same time I (and probably a gazillion others) were pondering the increasingly pressing question of data privacy in the digital age.

When my wife and I wanted some pine trees removed from our backyard, we made some calls to local companies. Most had full voicemail machines, while others simply didn't return calls. One guy showed up and didn't even turn his truck off. He stepped out of the cab, barked out a number, shook my hand, and left in his $65,000 Silverado.

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