Communications

• Splitting Up Search Distributing a search engine's index around the world could make it faster and more efficient, researchers say.

• A Test Ride with the Droid
  Motorola's new Android-based smart phone is a viable iPhone alternative.

• An App so You'll Never Forget
  Adaptive-learning algorithms calculate how often people need to see information to remember it.

• First "White Space" Network Launched
  The wireless network will deliver high-speed internet to rural Virginia.

• Hand Prints
  

• Annotated Areas
  

• In Search of What Everyone's Clicking
  A real-time search engine bases its results on users' browsing habits.

• China Cracks Down on Tor Anonymity Network
  A leading anonymity technology is targeted by the Chinese government for the first time.

• Peer-to-Peer File Sharing Usurped by Streaming Video
  The growth of file-sharing traffic has tailed off, but streaming video continues to expand.

• Behind the Big Apple's Data Dump
  NYC releases a wealth of data--but with a positive spin.

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