This looks interesting. For HN purposes, you'd be better off converting that slide deck to a blog post that explains the problem and how you approached it, with as much technical detail as you can.
If you do that, please email us at hn@ycombinator.com and we'll send you a repost invite for this (an experiment we're running to give good stories a second chance at attention on HN).
If you do that, please email us at hn@ycombinator.com and we'll send you a repost invite for this (an experiment we're running to give good stories a second chance at attention on HN).