The top comment on Product Hunt from Ryan Hoover raised a good point about Apple's timing with this:

> This launch is particularly interesting because this isn't typical for Apple, a fairly secretive and top down company (when it comes to external communications). Timing makes a lot of sense with their upcoming launch of ARkit, Apple Home, and the inevitable "Siri 2.0", among other things.

https://www.producthunt.com/posts/apple-machine-learning-jou...