Machine Learning Goes Mainstream

In Forbes:  Machine learning being used in our information technology environments, here a good example.  Also pointer to an academic paper on the depth of 'understanding' in learning:

" ... Machine Learning Goes Mainstream I: InboxVudu Prioritizes Your Email .... Machine learning is moving out of the backend shadows and into mainstream applications that ordinary consumers will use on a daily basis. These applications will recognize the intent behind written and spoken language and quickly classify the content of images and video. It would be a leap to say that these systems “understand” the data they process, but a recent academic paper on deep learning claims just that. ... "