"I would really love to see an analysis that did an A/B test using more traditional CF and this, and see what the revenue lift was, because "accuracy" as measur

"I would really love to see an analysis that did an A/B test using more traditional CF and this, and see what the revenue lift was, because "accuracy" as measured here doesn't necessarily map onto the objective that you care about in the real world." For another approach to product recommendation with some lift info, try https://research.googleblog.com/2016/06/wide-deep-learning-better-together-with.html https://research.googleblog.com/2016/06/wide-deep-learning-b... http://arxiv.org/abs/1606.07792 http://arxiv.org/abs/1606.07792