After months of planning and testing, the Internet's No. 1 video-sharing site, YouTube, launched a new look and received mixed reviews.

The redesign eliminates one of the chief irritants to tubesters: clutter.

"We heard from users that there are a lot of unnecessary features and clutter that could be cleaned up," YouTube spokesperson Chris Dale told TechNewsWorld.

Countries around the world are preparing for cyberwarfare, according to a new report from McAfee. The North Atlantic Treaty Organization and the United States have set up organizations to study cyberattacks and possibly trigger a physical response, for example. In fact, some international relationships could be described as a state of cyber-cold war, the report suggests.