When I tried to add a link to a profile, I was very surprised to find the
entire contents of my del.icio.us account appear in a drop-down menu below
the Link field. I realized that I had del.icio.us open in another tab, so
I closed it. The drop-down suggestions didn't go away. I quit and
restarted my browser, and the suggestions didn't go away. I restarted my
computer and logged back in to the database as a different user, and the
suggestions were still there.
Snatching the links from del.icio.us is handy, but also somewhat creepy,
and potentially a privacy problem on shared computers if there's no way to
erase them.
I encountered this using a Mac OS 10.3.9, running Firefox 2.0.0.12.