Domain registered at GoDaddy at 26/12/10
The domain vaild until 26/12/11 Domain Value:520$ (Estibot appraisal)
UsersTracking.com isn't open, as I don't have time to manage this site, also I don't even install the script.
I buy 1 license for this script Here
You can see there the features of the script, demo and more. Demo:http://trendstats.net/
No traffic as I don't have time to manage and advertise the site.
For the buyer:
I push free the domain via godaddy.
I'll send him the script