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The Edward Snowden revelations have rocked governments, global businesses, and the technology world. When we look back a decade from now, we expect this to be the biggest story of 2013 and the one with lasting impact. Here is our perspective on the still-unfolding implications along with IT security and risk management best practices that technology leaders can put to good use.

As we approach the holiday season, ZDNet takes a look back at very best tech stories and features of 2013. From phones and tablets, wearable technology, security and law, and unearthing the vast scale of U.S. government surveillance. This year has seen it all.

It's no secret that the CIO is losing influence in today's corporate world as other executives gain more control over technology decision-making. Can CIOs transform themselves from infrastructure jockeys into digital symphony conductors, or will other executives become the most influential voices in tech?

Big data is transitioning from one of the most hyped and anticipated tech trends of recent years into one of the biggest challenges that IT is now trying to wrestle and harness. We examine the technologies and best practices for taking advantage of big data and provide a look at organizations that are putting it to good use.

On September 2, 2013, Microsoft announced that it was buying out Nokia’s devices business for $7.2 billion. ZDNet has this story covered from virtually every angle and from perspectives across the U.S., Europe, Asia, and Australia.

Infrastructure as a Service providers make a very compelling argument for businesses to stop running their own data centers and simply purchase server capacity on-demand and scale up and down as needed. This is our deep dive on IaaS strategy and best practices.

Virtualization has swept through the data center in recent years, enabling IT transformation and serving as the secret sauce behind cloud computing. Now it’s time to examine what’s next for virtualization as the data center options mature and virtualization spreads to desktops, networks, and beyond.

Many of today’s small businesses and startups have become leading-edge adopters and innovators in technology because they are not chained to big, legacy systems. We look at tech best practices and transformative opportunities for the small companies that make up such a big part of the business world.

The rising tides of big data, video, and cloud computing are driving tremendous demand for faster and more efficient networks. We delve into how things like software-defined networks (SDN) and new wireless technologies are enabling business transformation.

Enterprise software represents the glue that ties together teams and business processes, especially in global organizations. See how enterprise software is simplifying, webifying, mobilizing, and getting a lot more social.