A quadrant chart which compares several bloggers' popularity, dividing them into those who are popular, those who are popular only in some particular group of audience, those who need more activity, and starters.
Top 30 Countries by Quality of Life
Countries distributed inside the quadrant according to the pollution and life index levels.
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BI Services Comparison
Gartner Magic Quadrant distributes companies into four quadrants by the levels of ability to execute and completeness of vision.