That is, if the person included it on their let you know where the email was used to register online.You will see all the sites or places the email address was used.
Profiles are created when we register on sites like social sites or email sites.
Yahoo messenger allows instant messaging and internet calls.
To view a person’s profile from here, you first have to be registered to the services.
Also see: Guide To Finding People on Gmail Google social network abilities can help you find profile on people.
With whatever information in your hands (user name, phone number, email address, occupation), you can come up with results from a search here.