This post contains a trick that tells you how to trace a Facebook user or friend on chat.
By using this trick you can trace IP, Country, Location, OS and browser etc.
Below is the procedure to trace a person using FB.
Step 1: Create a free blog / website using www.Blogger.com
Step 2: Register on www.Woopra.com and add a site.
(You will be given a code).
Step 3: Now place this code in footer of your blog.
Step 4: Download and login into Woopra.
Step 5: Connect your website and be online.
Step 6: During chat, give your website link to friend.
Now when he will visit your website, you can trace his IP, Country, Location and much more…