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DIY-IT

David Gewirtz warps space/time with neat hacks, cool do-it-yourself projects, business survival tips, and commentary that peels paint.

David Gewirtz

In addition to hosting the ZDNET Government and ZDNet DIY-IT blogs, David Gewirtz is an author, U.S. policy advisor, and computer scientist. He is featured in The History Channel special The President's Book of Secrets, is one of America's foremost cyber-security experts, and is a top expert on saving and creating jobs. He is also director of the U.S. Strategic Perspective Institute as well as the founder of ZATZ Publishing. David is a member of FBI InfraGard, the Cyberwarfare Advisor for the International Association for Counterterrorism & Security Professionals, a columnist for The Journal of Counterterrorism and Homeland Security, and has been a regular CNN contributor, and a guest commentator for the Nieman Watchdog of the Nieman Foundation for Journalism at Harvard University. He is the author of Where Have All the Emails Gone?, the definitive study of email in the White House, as well as How To Save Jobs and The Flexible Enterprise, the classic book that served as a foundation for today's agile business movement.

Latest Posts

Join me tomorrow online in ZDNet's 2012 Guide To Small Business Technology Trends webcast

ZDNet is proud to present the 2012 Guide to Small Business Technology Trends, a live and interactive webcast about the most promising solutions for the most pressing challenges.

January 25, 2012 by David Gewirtz in SMB

Contact managers and CRM systems are incredibly stupid

I'm having a crisis of faith. I can't stand contact managers. Whether you call them CRM systems or contact managers, they all seem to be stuck in the land time forgot.

January 12, 2012 by David Gewirtz in Enterprise Software

How using an iPhone 4S can kill your entire network (true story)

Nah, it couldn't be, could it? It couldn't be my branny-new iPhone killing my network. Could it? Really?

January 9, 2012 by David Gewirtz in iPhone

Old people scare me

Our elderly don't seem to get that the threats we have today are very different from the threats they've known all their lives. Our elderly are enormous targets of opportunity for criminals.

January 5, 2012 by David Gewirtz in CXO

Happy New Year and thanks to ZDNet's readers

To all of you out there, thank you. Truly and sincerely, thank you.

December 31, 2011 by David Gewirtz in Linux

What to do if you think your brand new Kindle Fire is dead

Rumors of my Kindle Fire's death have been greatly exaggerated. I hope these tips and links will help you if you run into an apparently dead device.

December 20, 2011 by David Gewirtz in Mobility

How to decide: should you buy an iPhone or an Android phone?

Well, here goes. You fanbois out there, holster your arrows. I'm gonna do this one snark-free.

December 19, 2011 by David Gewirtz in Mobility

How Amazon has proven that iTunes is totally obsolete

Isn't it time Apple just put iTunes out of our misery and killed the blasted thing off?

December 15, 2011 by David Gewirtz in Apple

The two reasons I avoided Android and finally upgraded to the relatively boring iPhone 4S

Would you take the easy path and go with a workable, if uninspiring iPhone 4GS? Or, would you take a chance on the wild world of malware and go with Android?

December 13, 2011 by David Gewirtz in Mobility

Why open-source WebOS has legs: because people fear Google

Sure, Google's got products and services we all use, but Google, these days, often seems more Borg and less don't-be-evil.

December 9, 2011 by David Gewirtz in Open Source

When to buy an Android tablet and when to buy a Kindle Fire

Should you get an Android tablet like the Galaxy Tab or, well, an Android-based tablet like the Kindle Fire? Read this article to find out.

November 28, 2011 by David Gewirtz in Mobility

The one key rule for surviving a Groupon deal

Learn how a Groupon deal can be very compelling for buyers, but for sellers, it can be brutal.

November 21, 2011 by David Gewirtz in CXO

How to take your Kindle Fire apart (video)

All the usual warnings (plus those on the video) apply. Don't come crying to us if you break something!

November 18, 2011 by David Gewirtz in Hardware

The story of the first photograph

If you look carefully, you can see the outbuildings, courtyard, trees, and surrounding landscape as Nicephore saw it through his window, all the way back in 1826. And the rest is history.

November 17, 2011 by David Gewirtz in Hardware

12 things that kinda suck about the Kindle Fire

Since it's our job here at ZDNet to present you with all sides of technology, in this article I'm going to spotlight some of the Kindle Fire's shortcomings.

November 17, 2011 by David Gewirtz in Tablets