“Google Tensorflow chooses Keras”: http://www.fast.ai/2017/01/03/keras/
Discussion (reddit): https://www.reddit.com/r/MachineLearning/comments/5o9vfx/d_keras_will_be_added_to_core_tensorflow_at_google/
Discussion (hacker news): https://news.ycombinator.com/item?id=13413487