to see how much you spend your time here
nothing correspond activity by the way
Nope, none at all other than obviously an indication as to how long you've been actively logged in, but it's not tied to any score or Activity points or anything.
you spent 71 days here since you joined 220 days ago
one third of your life spend here in bitcointalk forum
impressive
andco from your ID means you're not 1 person?