This video is ostensibly a spontaneous (oddly well-choreographed) dance that erupted in a Microsoft retail store.
Now, I've never been in a Microsoft store, so maybe it is like that. I have been in an Apple store and I can tell you for sure this would never have happened there, at least not in the ones I've been in. For one thing, the stores are much smaller. For another, there are no where near that many employees. Finally, the Apple stores seem to always be so crowded with customers that it is hard to walk around, much less do an (oddly well-choreographed) dance.