aristotle - 2:14 pm on Oct 9, 2011 (gmt 0)
I wish Google would filter out all the worthless spam links from these lists.
As for what you might learn from the real links -- You might be able to determine what types of sites tend to link to you. That is, are they mainly blogs, social media sites, independent websites, or something else? I suppose it's best to have a good mixture of different types.