The Fn key is short for function – this particular key allows PC users to access the second assignment of a key. It is normally found at the bottom left corner. The Function keys (F1, F2, etc ...

It's possible to right-click on your iPhone by holding one finger down on the screen to access shortcuts and other functions. Here's how to do it.

Long-pressing things in Safari will also result to some helpful functions. Here are some things Safari users can do by pressing and holding on certain icons or things. Note that these will work on ...