Sloth Fever: A Growing Concern in the United States

Egypt's crackdown on web users allegedly aided by US company's product.

When Egypt's uprising began nearly two weeks ago, there was a near-total internet blackout.

But exactly how was access cut off?

An American advocacy group called Free Press says it has uncovered a link to a California-based technology company that allegedly sold the Egyptian government equipment allowing it to track online activity.

Al Jazeera's reports.