I cut the following sections, on user interface and machine learning, because they were too speculative. But they might be of interest here, so I'll post them.

I cut the following sections, on user interface and machine learning, because they were too speculative. But they might be of interest here, so I'll post them. === Perhaps you are now persuaded that deep learning has something helpful to offer in visualization problems. But visualization is really about making interfaces for humans to interact with data. It’s a small subset of the general user interface problem. I think that machine learning, and deep learning in particular, also has a lot to offer for the general problem... [Remainder moved to notehub, to be keep comment to a reasonable length: https://www.notehub.org/2015/1/16/perhaps-you-are-now-persuaded-that-deep- https://www.notehub.org/2015/1/16/perhaps-you-are-now-persua... ]