After trying several writing software tools,
we found it frustrating that only Google Docs allowed online real-time sharing between multiple reviewers and various devices.
Even with Google Docs, editing on the tablet is far from satisfactory.
When we are "on the go", the Twitter, Facebook and recently Google+ to be useful repository of our thoughts, Uki maintains a saying:
“I’m writing an books 140 characters at a time.”
Finally, we decided to write our thoughts down as blog posts.