brotherhood_of_LAN - 7:38 am on Aug 14, 2011 (gmt 0)
>The page I refer to is not popular at all and it does not have backlinks but suddenly it gets a PR5!
Long ago it'd 'guess' a pages PR via a combination of folder depth and home page PR. If the page was 5 folders deep then it'd make sense.
I'm not sure if that toolbar behaviour ever stopped.