1. “Keyword Niches“ Versus Single Keywords

It’s interesting to compare the results of a traditional keyword tool to The Free Keyword Niche Finder.
Here is the list of results from our Free Keyword Tool:

Now let’s look at the results for the same topic using The Free Keyword Niche Finder:

The interesting thing here is in the difference between the two results, and the way that the two tools function. The Free Keyword Tool looks at the volume of results across a variety of sources (ISPs, search engines, and toolbars). The Free Keyword Niche Finder, meanwhile, takes the same data that The Free Keyword Tool is using (our own database) and then clusters that information semantically.
So what we’re seeing here is that some keywords have a longer or more substantial “tail”. Look:

The aggregated keyword “niches” are more centered around brands. If we dig deeper into the refurbished laptops – ibm cluster we get a pretty good idea of why the tail for brands is longer:

So while “used refurbished laptops” is a more popular single query than “refurbished laptops ibm”, the sum of the refurbished laptops keyword niche is actually greater, and it contains more specific, buy-focused terms.
By looking at the data side-by-side, it definitely appears that IBM refurbished laptops is a more profitable keyword niche to attack