Grew out of work in AI
- New capability for computers
Large datasets form growth of automation/web.
E.g., Web click data, medical records, biology, engineering
Applications can't program by hand（无法手动编写的程序）
E.g., Autonomous helicopter, handwriting recognition, most of Natural Language Processing(NLP), Computer Vision.
E.g., Amazon, Netflix product recommendations
- Understanding human learning(brain, real AI).