11/7/08—The ArcGIS Online Resource Center was updated on November 6, 2008, to make it easier to learn about the content available for use with your GIS applications:

• Content tab: Learn about free maps, premium maps, and premium data products; compare the available imagery and street map services; and preview featured online content.
• About tab: Find information about ArcGIS Online including advantages of using ArcGIS Online content, FAQs, available maps and data, Content Sharing Program, tasks, and system infrastructure. Information on available maps includes a description of the types of maps available, details on how to use free and premium maps, a licensing summary, map tiling scheme information, and common map attributes.
• Blog tab: Learn about new content and updates to existing services.

NOTE: If you bookmarked links to any of the service descriptions, you need to update your bookmarks. The URLs for the service descriptions have changed.