• Main page protection: Main page locked down after major vandalism
  

• 500 featured articles: Featured articles pass 500 mark
  

• Proxies: Effort to block proxies via bot aborted
  

• Arbitration report: The Report On Lengthy Litigation
  

• Encarta: Microsoft challenges Wikipedia with Encarta giveaway
  

• Advocacy groups: Outside groups targeting Wikipedia spur fears about bias
  

• Three-revert rule: Three-revert rule enforcement practices debated