Such investments fall in the lower right quadrant of high volatility and low return.
FORBES: The Efficient Frontier
The phone loses reception or drops calls completely when a spot in the lower left quadrant of the phone is touched.
FORBES: Magazine Article
In particular, notice the floating advertising section (viewable in the lower right quadrant of the first image above), which contains sponsored display advertisements, sponsored stories, and targeted display ads.
FORBES: Why Facebook's News Feed Update Is Good News for Businesses and Brands
Glance at the lower right-hand quadrant, and things get even gloomier.
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