There are lots of ways to participate in communities and conversations, and she wanted to step away from that one for a bit.
I can't point to a public URL as I got this from private conversation, but there was a public Tweet from one of her friends on this as well.
In any case, her work is GREAT and anybody from an engineer to a marketer would do well to absorb her customer-centric philosophies that make EVERYTHING clear ("your product doesn't kick ass... your product makes your CUSTOMERS kick ass...")
Google and learn :D