Quack was the term we would toss around at Burt Hill when we would look into the future and attempt to divine what was next.
What was coming after Revit? Sure Revit is fun and exciting, but its just a tool, and there is always another coming. While the rumor is that there are software vendors attempting to pursue the market share that Revit has solidly locked into, that does not actually interest me that much, because at the end of the day the Revit ship has clearly sailed, and you're either on it or not (for whatever reason) and just as 20+ years later you can buy cheap 2D drafting knock-offs that do what Autocad did those 20+ years ago, undoubedtly the same will happen in the space of 3D modeling for AEC, there are and will continue to be multiple applications that generally do the same thing.