Post-2013 breakthroughs off top of my head are:
* Wavenet, now productionized at Google as text to speech
* Alpha[Go]Zero
* Neural Machine Translation, on production at Google
* Wavenet, now productionized at Google as text to speech
* Alpha[Go]Zero
* Neural Machine Translation, on production at Google
For more perspective: https://arxiv.org/abs/1801.00631