OpenStreetMap Compare Tool

This quick and dirty tool allows a user to view the differences between current OpenStreetMap.org offerings and proprietary mapping vendors.
Is there information that you see missing from one or both of the maps? http://www.meetup.com/OpenStreetMap-Phoenix/

Instructions
1. Pan / Zoom to study area in Commercial Maps viewer (Top)
2. Single Click on any Point of Interest in the Commercial Maps viewer to center and zoom it in the OpenStreetMap.org viewer (Below).

• Note:'Shift + Drag' create a zoom box.
• Note: Click the '+' symbol to switch to a different proprietary mapping vendor.