Recently introduced Apple Power Book

Did you guys ever think that the above invention was possible see it guys a transparent screen which shows the application u work when there is an application running but when idle you never know there is a thin sheath of screen there, you can virtually see all the things kept behind the system

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A List of Doubts that arrive in my mind are,

1.How do close the laptop, if its like normal laptops then does the thin sheath gets damaged?

2.Mostly Apple products are quite high in cost compared to other products so when u have a high technology product like this then the price i hope will be sky high.

3.Apple is quite good advertiser of its products but i've not seen any video concerning the above product by apple.

Its so difficult to even find it in their website, Y is it so?

So Guys if anyone know the answer of these questions do reply in your comment c ya tmrw with some other interesting facts :)