You can use the power of the search engines to find out who has links pointing to your site or to any domain for that matter.
In Google the syntax is allinanchor:domain.name. For example you would put this in the search box:
to find out all the external links to this site.
In Yahoo and Altavista the syntax is linkdomain:domain.name. For example:
Besides being useful to find out the popularity of your site, this technique could also be used to find out more information about anyone or anything.
It will allow you to find out who has links to the person in question on their blogs and social networking sites… Also it will show you things like the profiles they had created in different forums for instance (if they had put a link to their site in the profile description of course). There are a lot of possibilities here… Give it a try for yourselves.