Doorway Pages

not sure where i was when this was explained..

[fashezee]

Can someone tell me what doorway pages are? And why they are useful? I am seeing this
term way too many times lately,therefore i was left with no choice but to post this message.

Thanks.

[miles]

Go here [searchengineworld.com...] and type in doorway pages, you will be overwhelmed with the amount of info there is.