6 areas of AI and machine learning to watch closely
Nathan Benaich

I would add NLP — although its still nascent recent breakthroughs combined with the establishment of mature voice interaction systems are going to launch NLP as the next big thing. Ultimately, the history of human knowledge and intelligence is written down — accessing this in a machine usable way will enable the next paradigm shift in general AI. In the meantime, businesses with this in mind will make money from voice interaction systems.