Alyson Hurt for NPR Visuals describes how they make responsive data tables for their articles. That is, a table might look fine on a desktop but then it might be illegible on a mobile device. This is a start in making tables that work in more places.
Responsive data tables
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Where Bars Outnumber Grocery Stores
A closer look at the age old question of where there are more bars than grocery stores, and vice versa.