James Lewis, a senior fellow at the Center for Strategic and International Studies and the co-author of the report "Security Cyberspace in the 44th Presidency," explains how recent breaches at Google and the Department of Defense have illustrated that the United States is not yet ready to deal with a large scale cyber-attack.

This is an interactive application that demonstrates how torrents work and how their networks operate. press p for more peers, press s for more seeds.

How Assassin's Creed 2 captures the rhythms of the masses

In between the blog posting and the tweet there is the aphorism, a centuries old literary form that should do well amongst creative media workers. Zipped knowledge of the 21st century.

When it comes to online activities such as contributing money, contacting a government official or signing an online petition, the wealthy and well-educated continue to lead the way. Still, there are hints that the new forms of civic engagement anchored in blogs and social networking sites could alter long-standing patterns.