In the past creating rich experiences was in things like Flash. With it's premature flogging, the side effect was there was little to actually and reliably replace the rich experiences it was able to create 2007-08. That's one reason seeing tooling like this, and Adobe Edge is something to look forward to.
Appreciate the clarification, haven't looked at Edge in a long time. Adobe is known to put products in maintenance / off-shore mode where they stay zombie mode for a while.