Yeah... The Online List. I use it a lot, and I've always been confused that I never see anyone else using it. BTW, it's that button under Active Users that says "Last Click"

Anyway, it's handy for knowing when someone is replying in a topic, PMing you(sort of), etc.

Occasionally, but as often as I used to.

I do it when I am bored

It's not that accurate. But I use it anyways.

I am doing it a lot today, checking for Sety.

I use it sometimes.