Here's the tricky question: how do we quantify the number of people that would have bought an eDGe if enTourage had engaged the forums actively?

We of course probably can never know as those people came to the forums and went and won't be back now to indicate why they never bought... However, it's possible institutional buyers may have bought one themselves but their institution passed on it due to lack of company participation/communication and these buyers may be around to post their story.