Apple couldn't put enough qualified sales people on the floor at either of the 2 stores here.
I walked in during the end of December shopping season when I bought my first Mac, same day I joined here...
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I was able to get a one on one, hour long session to play around, ask questions, shoot the breeze, etc.
Not any more. I've tried going in at all times of the day during the week (while everyone is suppose to be at work) to find packed stores - forget the weekend. The regular day time staff is double the size it use to be during the December buying period. The number of customers in the store at any given time has at least quadrupled.
You already can't turn around in the store without seeing another blue shirt. If they put any more staff in there, they'd have to start giving numbers out to customers for the opportunity of even entering the store.
Even 2 years ago, you couldn't walk in without there being one or two blue shirts standing there to greet you. Not today. For Apple to keep up in this area, they'd have to start building a new store, doubling the size of the previous store every 12 months to keep up. Sort of like processor speeds were doing in the 90's. The phenomenon is in full swing and the converts can't seem to get enough.