To re-open a very important topic that needs addressing to the context of the site; IMO.

Yes a HUD owns. Most here are not going to have one.

Notes can be absolutely fantastic but they can also be a self trapping mechanism. We when see someone and they suck-out on on us once or even a few times but we have no better understanding of their actual approach much less any sample size we are often deceiving ourselves.

I wonder how many of us are labelled in the most unsavory of ways across the internet poker room. I know I am.

That being said; notes are wonderful when used appropriately. Personally I tend to stay away from the icons until my notes and observations have concluded someone has a consistent style all the time in all games. Otherwise notes I keep brief but with pertinent data - game buyin/AFS (Avg field Size)/style ie cash or MTT stack depths and anything that may of dictated the players moves and made them act out of the ordinary in that circumstance. Also I find that this really helps me play better and understand lines as well circumstantial proclivities which are in my esteem essential to playing winning poker.