Adding buildings to Chicago, Illinois
In Chicago, Ian Dees led an import of building data from the city government that both improved addressing to locations in the city and made the map more useful. See OpenStreetMap's excellent new coverage in Chicago.
Updating road names
bot-mode automated editor swept through the United States in late 2012 and early 2013 to expand imported, shortened road names into their full versions.
Over 1,000,000 users
On January 6, 2013, OpenStreetMap crossed the 1 million users mark, and continues to grow, both in terms of data and active userbase.
Like most internet projects, a majority of users are casual or inactive, with a small minority contributing the majority of additions and corrections to the map.
Abundance of data
OpenStreetMap's dataset has grown to unprecedented size, thanks to volunteers at home, imports, and targeted efforts to improve data quality in important areas. The database now contains over 21 million miles of road data and 78 million buildings.
worth of road data.
Densely mapped data
Some areas of OpenStreetMap reach incredible points of data density, including every tree, precise details about houses and alleys, and much more. Frederick Ramm compiled a list of the top 208 most densely mapped areas of the world, which are often in France, the US, and Cameroon.
Updating every second
OpenStreetMap is constantly improved in real time by thousands of volunteers around the world. Here's what they're doing now.