Future of the Class Notebook application

I have heard that Class Notebook will no longer be available next year.  I have moved ALL of my content into a master curriculum notebook and distribute this unit by unit to my five sections of science.  Countless hours have gone into teaching this way.  I have heard that Class Notebook will be discontinued for next year.  Is there any truth to this? Will there be another application that will be similar, or am I just going to be sorry out of luck?