Where can I find more information about the R interface for Spark?

[guxiaobo1982]

I read the good news from here:
  
 http://blog.revolutionanalytics.com/2013/12/apache-spark.html
  
  
  
 >> Currently, Spark supports programming interfaces for Scala, Java and 
 >> Python. >> For R users, there is good news: an R interface is in the works 
 >> and under >>development by the team at AMPLab; our sources tell us  this is 
 >> expected to be >>released in the first half of 2014.
  
  
 Regards,
  
 Xiaobo Gu