Here's the associated Google Research Blog post:<p><a href="https://research.googleblog.com/2017/08/harness-power-of-machine-learning-in.html" rel="nofollow">https://research.googleblog.com/2017/08/harness-power-of-mac...</a>
<a href="http://playground.tensorflow.org/" rel="nofollow">http://playground.tensorflow.org/</a> is fun and worth looking at.<p>As I recall, Google created it to give their engineers an introductory feel for DL, and then open sourced it.
Url changed from <a href="https://github.com/PAIR-code/deeplearnjs" rel="nofollow">https://github.com/PAIR-code/deeplearnjs</a>, which points to this.