Yahoo Tracker
INFO:
Ques 1. What is Yahoo Tracker?
Ans. Yahoo Tracker is a web based service that allows you to track invisible and online/offline status of your yahoo buddies.
Ques 2. Can I track those who are not in my messenger list?
Ans. Yes you can, your yahoo username and password are not required to use this service.
Some more features about this service :
1. The service shows the real status and tracks the and online/offline activity of Yahoo messenger user in previous 24 hours.
CLIENT: NetSocial Interactive