I found it useful because I use site-specific email addresses (as in username+domain@example.com). I didn't know if I had a gawker login, so I searched for my

I found it useful because I use site-specific email addresses (as in username+domain@example.com). I didn't know if I had a gawker login, so I searched for my domain. If I hadn't found it, I could've saved myself digging through my saved email.