The OSM website and API — what most of us know as the Rails port — have grown over the years to cover a lot more than just map data. Alongside the core work of serving map data, handling edits, and supporting the tools the whole ecosystem depends on, the Rails port also carries a number of features that are more social or editorial in nature. User diaries, published today at openstreetmap.org/diary, are one of the clearest examples: a blogging feature, with its own editor, comments, and moderati...