What are the best online discussion forums on artificial intelligence?


What are the best online discussion forums on artificial intelligence?

I don’t find ai-forum.org that great.  I have ‘botted’ (persistent, faceted search) reddit into Twitter at @roboreditt, but am not getting that much out of it.  I do like chatbots.org/ai_zone, and have ‘botted’ and aggregated quite a few industry specific forums at:

Otherwise, Quora is as good as anything I’ve found, temporally aggregated here: