The scary business of externalities

This topic is too scary for me to write about just yet.  In the mean time you can suffice your eagerness to learn more about such an exciting topic with the definition that follows. Otherwise just google it. 

noun. 

1. Economic.  side effect or consequence of an industrial or commercial activity that affects other parties without this being reflected in the cost of the goods or services involved, such as pollination of surrounding crops by bees kept for honey.

2. Philosophy. the fact of existing outside the perceiving object