Google disables the Public Display of Tool Bar Page Rank
Few days back page rank dis-appeared creating panic and confusion among SEO experts and Link builders. One of the few companies which first reported about this phenomenon was SEO Corporation. The experts at SEO Corporation were the first to report this Tool bar page rank disappearing phenomenon. The full post is here : http://www.seocorporation.net/blog/google-tool-bar-page-rank-dis-appeared-don%E2%80%99t-panic.html
Although page rank has nothing to do with rankings yet link builders and SEO Agencies used this parameters to sell links at high rates. The higher the page rank the more costly the link used to be.
It must be mentioned that Google will keep updating page rank internally but It has disabled page rank display on third party tools like SEO quake, page rank Tool bar, Quirk search status etc.
The new url by which you can still see you page rank in Internet Explorer is