• Dashes vs. underscores http://www.mattcutts.com/blog/dashes-vs-underscores/ 28 comments 2/7/2011
• Google on underscores vs. dashes in URLs http://www.youtube.com/watch?html5=True&v=AQcSFsQyct8 2 comments 28/8/2011

• Underscore vs Lo-Dash http://benmccormick.org/2014/11/12/underscore-vs-lodash/ 11 comments 12/11/2014 javascript