bubb one of the reasons the spammer talk about then link their stuff is the way google searches works.
in this case you search for diesel or sludge or other key words google will assoc the words with the link. the more this pages gets read by people with google anylitics ( i spell badly ) the farther up their link will be on a google search
Free if you want to see someone who is map or chart challenged that would be me. I think I have said on Sailnet before. The chart table on my boat faces the stern. I can't use it. I have to bring my charts up to cockpit and align them with the bow of the boat before I can do any route planing. I know it sounds crazy but thats the way my mind works.