Knowledge Network first release candidate (RC0) is now available

Knowledge Network team just made available the first release candidate of KN with the following improvements:

• Back-off functionality to improve the user experience when they are performing activities on their machines.
• Various performance enhancements on both the client and server.
• Improved keyword quality and generation.
• An inner circle web parts that highlights people closest to you and who are most likely to assist with your query. 

More info here.

A nice post with a KN usage example here.