A few arguments: http://www.humanfactors.com/newsletters/optimal_line_length.asp http://www.humanfactors.com/newsletters/optimal_line_length.... http://www.ni

A few arguments: http://www.humanfactors.com/newsletters/optimal_line_length.asp http://www.humanfactors.com/newsletters/optimal_line_length.... http://www.ninjapost.com/blog/on-the-importance-of-narrow-columns/ http://www.ninjapost.com/blog/on-the-importance-of-narrow-co... http://socialtriggers.com/perfect-content-width/ http://socialtriggers.com/perfect-content-width/