This is one of the most useful additions to WP in recent years. If you run into a word/phrase you don't know or are fuzzy on, it encourages satisfying your curi

This is one of the most useful additions to WP in recent years. If you run into a word/phrase you don't know or are fuzzy on, it encourages satisfying your curiousity, saves having to load that page. In the past few months I've also noticed a lot of innovation happening in the maps department. E.g. Ran into a great interactive Mars map the other day.