U.S. companies might soon be required to publish where they get their rare metals for all those electronics consumers buy. And activists hope that it will be one small step toward resolving long running conflicts in the Democratic Republic of the Congo.
Tablets are not just changing how people go about their lives. They're also changing the way businesses function. Small businesses especially are using tablets to replace a variety of business tools: from menus, to timecards, to cash registers.
The releases of the iPhone 4s and other advanced smart phones this year has meant the proliferation of the apps that run on them. Robert Siegel finds out about the best apps of 2011 from John Bradley, senior editor overseeing products and editor of the Wired App Guide.
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