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You will also appreciate this unknown shortcut if you have to look at a diagram or picture which has been posted in the wrong way. It’s perfect for long-page websites, or tablets, for instance, that look at a few long columns of numbers.

The simple reason is that, in place of a common short and broad viewpoint, it is often useful to look at the details on your screen in a long and narrow “ portrait” view. You may ask why you would rotate the windows of your computer, apart from maybe taking a suspicious family member or coworker.