Detect Who is Invisible On Yahoo

Friends, If your Friend remain invible from you.... and say that they dont come online...... 

Then they have to fear now coz there is a  way by which u can find that they are online or not.......  Now no need to ask from your friend that they came online or not.......

There r many sites which proclaims that they can track invisible user on yahoo...... But according to my personal experiance, they give wrong result many times.....

http://www.invisible-scanner.com/

but i found this site which gives right result always...... just type the yahoo mail id of the person u want to track and got the result.......

So be aware next time if u lie wid anybody...... coz may be some1 is traking u......