There wasn't an app market at the time -- Apple created it and then it became populated. I think your confusion lies in the definition of innovation -- thanks though for stopping by, everyone's >opinion< is important ;-)
I never said anything about an app "market." Regardless, there has always been an app "market" -- and at one point, PCs had an unmistakably larger ecosystem as far as software applications go. You don't have to take my word for it though, look it up.
The core of what I am saying, and have already said, is at that time when Macs had less compatible software than PCs, their most iconic ads asked people to choose Mac and "Think Different." I am not saying there is anything wrong with that, just adding to the conversation you started.
Also, whether or not you will acknowledge that, it is not really the point. You are definitely projecting your own ideas on this ad about what being different from everyone else means, which is what I meant when I said "I think your confusion lies your assumption that they are promoting "being different" through "having less apps." It wasn't meant to be personal, just an observation.