http://www.biostars.org/p/63659/
http://m.bioinformatics.oxfordjournals.org/content/early/2013/08/24/bioinformatics.btt470.abstract
http://genesdev.cshlp.org/content/25/1/1.long
Take a color printout
http://online.liebertpub.com/doi/abs/10.1089/cmb.2012.0283?utm_source=buffer&utm_campaign=Buffer&utm_content=bufferd3b50&utm_medium=twitter
http://www.ncbi.nlm.nih.gov/m/pubmed/23867278/
http://www.bionews.org.uk/page_294087.asp
https://gist.github.com/arq5x/6289306
FYI
http://www.nature.com/nature/journal/vaop/ncurrent/full/nature12477.html
http://www.nature.com/nature/journal/vaop/ncurrent/full/nature12433.html
http://andrewberls.com/blog/post/visualizing-your-bash-history-with-d3js