Prettify your Quotation Marks18 Sep 2014, by Artur Malabarba.
Typography post series
Typography is a long and blurry road, of which I know very little. There are, still, some simple lessons that take you a long a way. Round (Unicode) quotation marks is one of them.
LaTeX already does that for you, but many other prose environments don’t. This snippet inserts “round” quotes for you, bind it to your text-modes.