Advances in Natural Language Processing (NLP): Though not quite as hyped as AI, NLP has advanced from basic applications such as speech recognition, speech synthesis and machine translation to a range of real-world applications such as creating spoken dialogue systems and speech-to-speech translation engines, mining social media for information about health or finance and identifying sentiment and emotion toward products and services.
Source: Intelligent, Cognitive, AI-Based Search: Reasons for Optimism
