On this page http://www.boilerapartments.com/living.aspx see the left panel below its having Advertisement for Livesay-- http://www.boilerapartments.com/livesay/ when I go to this website http://www.livesayrentals.com/ this includes the Boilers apartments Listing in its left panel.. I want to know what does it mean..what we call this in terms of SEO and whats the benifit of this???