A very handy article by CoDrops on Responsive Typography.
One of the most important aspects of responsive web design is typography. When it comes to responsive type on the web, there’s more to do than just resizing the text’s container and having the text reflow inside of it.
From choosing a font type and color, to achieving legible font sizes, line heights, and line lengths on different screen sizes, there are several ways to go about achieving fluid and truly responsive text on the web.