Expanding upon the question in the title, how many of you guys actually use the six keys that (on most keyboards) reside in their own little rectangle? I refer to the insert, delete, home, end, page up, and page down keys.
A while ago, I only used the main "block" of keys, while using the arrow keys and mouse to navigate the cursor around the text field. I only noticed recently that using the home and end keys to go to the beginning and end of text fields had become an automatic habit, and thinking about it, I seldom see anyone use these keys.
Out of curiosity, how often do you guys use these keys, if at all?