vBSeo Question: It Eliminates duplicate content issues?

Question in mind as I finally finish with my steps. In another post recommendation from digital point forum this was mention:

You actually SAVE hassle as vBSEO fixes your URLs, your META tags, Sitemap, and eliminates duplicate content problems. It would take you HOURS to do all that manually and vBSEO does it in seconds like I said above. It actually does a lot more than that but there's so much I forget

How does it eliminate duplicate content from postings? If I have a software that will technically fork out a few hundred post from "Yahoo Answers"...how will it help to eliminate duplicate content problems?

This was gathered through the digital forum link here: http://forums.digitalpoint.com/showp...2&postcount=17 this might be true or wrong...just don't know...need to perhaps double confirm...as I would like to know the concept/process "in a nutshell" for this part...

Thanks,
Joaquin

vBSEO eliminates dupe content by creating link consensus, which creates a unique representation for each forum resource, allowing every back link (and internal link) to point towards the true resource, increasing its relevancy.

It's a VERY simple concept really, check out the sample linked above.