You can give any user admin privileges, including accounts linked to facebook accounts.
I don't recommend linking the drupal power user (uid == 1) to a facebook account. It's possible, but tends to cause unexpected behavior (depending on what you expect.)
I also remembered something like this so I didn't on my first dff app (D7). I did link my second app (D6) admin accidentally and haven't really experienced any issues as of yet.
not recommended
You can give any user admin privileges, including accounts linked to facebook accounts.
I don't recommend linking the drupal power user (uid == 1) to a facebook account. It's possible, but tends to cause unexpected behavior (depending on what you expect.)
I also remembered something
I also remembered something like this so I didn't on my first dff app (D7). I did link my second app (D6) admin accidentally and haven't really experienced any issues as of yet.