Oh boy. I'm the second author. The official announcement will be in April 1st at the SIGBOVIK conference (http://sigbovik.org/2016), but I guess someone broke the press embargo!
By the way: It works, try it ;)
By the way: It works, try it ;)
If I may, let me suggest you add a note about your future plans to add backpropagation using Excel/Libreoffice macros, which "might allow users to train large-scale models from scratch within their lifetime."
This though: hearty chuckles were produced. (The paper was was even type-set in LaTeX!)