Someone posted this on G+ http://statisfactions.com/2013/interactive-r-code-widget/
Great work, Jason et al.! Note the comment at the end: PS: Sage is awesome -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To post to this group, send email to sage-devel@googlegroups.com. To unsubscribe from this group, send email to sage-devel+unsubscr...@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel?hl=en.