Google Bot Info request

[DJilla]

Originally Posted by Mattinblack

new index page in a subdirectory or a new subdomain (Tip dont submit index pages in sub-directories to google! Have the index pages in case people nav to the directory by accident but never link to them from anywhere and dissalow them in Robots Txt.)

OOOOppps! Didn't know, never heard ths one! Any more info on how google sees index pages in subdirectories. Why they have a problem with this since it is a well know method to keep surfers where they belong?