I'm slowing and surely getting used to Windows 8.  It is no doubt a slow process since I still run daily on an XP machine, a Vista machine, and 3 windows 7 box.

A new quirk I found regarding Windows 8.  I never thought it was important to learn how to close a "formerly known as Metro" app (what do we call those these days?).  Then I attached a portable drive to my laptop and opened up a PDF file, and I couldn't safely remove the hard drive afterwards because I did not know how to close the PDF reader app.

I have since learned that if you want to close an app, you can try

• Alt + F4
• mouse over the top left corner and swipe down, right-click to close you app
• Windows Key + TAB, right-click to close the app

All these make me wonder, how do you do this in a phone or tablet?