Re: what do YOU use the s pen for?
I am self employed in the wholesale grocery business. Occasionally, I receive orders from restaurants by phone and jot them down as action memos. Also, and most importantly, vendors will call me with good deals and I note the item, price and other details. Some of these notes have resulted in my making some big sales - to such an extent that the profit from the sold items added up to several times the full cost of the Note 5. The great thing about those notes is that they would have been lost had they been on scraps of paper or even a note pad but in the phone it's easy to scan back through weeks of notes quickly and easily.
I had no idea when I purchased the Note 5 how useful these notes would be. In fact, I had planned to switch back to my Galaxy S5 until I got hooked on the Note 5's S Pen and other superb performance features. I can honestly say that as long as I am in business I will have to have a Note type device, they are simply too valuable.