Often when you need to look up some details about a topic at hand, you open a Web browser and search for it using your preferred search engine; however, there are a few services in OS X that give you quick access to information about words you might be thinking about, or words that you might be reading. For instance, if a friend sends you an iMessage about watching a specific movie, then you might find that you can look up information about the movie, without needing to switch to any browser. Continue reading →