I was fooled by Google!

I thought that page was true one and I kept for later reading.
But when I read through and finish, I find this

Note: This page was posted for April Fool's Day - 2002.

Holy Shit! I know their technology is called PageRank.
But They fooled me left,right & center with this PigeonRank! That too by page post almost 3 years back!

Now, for real How-It-Works

Googling on "how pagerank works" brings up april's fool page as the first entry!
Bloody! They hacked their own tool!