Another fun one that I encountered in an NLP class to many years ago now is multilingual search. Search in one language, get results in multiple languages. The

Another fun one that I encountered in an NLP class to many years ago now is multilingual search. Search in one language, get results in multiple languages. The context in which this came up was in organisations such as the EU or the Nordic Council. Another one that I would like to see improved is better search for scientific articles.