I guess Google Mapmaker has been out since 2008... I only discovered it yesterday. Some folks in India and the Philippines have been adding streets and landmarks to the Saipan map, and since yesterday I have been updating street names using Maui Business Pages' 2000 Saipan directory as a general guide.
Below are some pictures of my progress using a residential area in Koblerville:
I have also corrected some roads and added other information. It takes a little while for the info to go live on Google Maps, but once that happens all 2 of my blog readers will be the first to know.