http://blogs.esri.com/Support/blogs/arcgisonline/archive/2009/06/23/world-imagery-services-updated.aspx6/23/09–The World Imagery services (ESRI_Imagery_World and ESRI_Imagery_World_2D) were updated with more recent imagery for the United States and with new high-resolution coverage for metropolitan areas around the world. The services now include GeoEyeenCommunityServer 2.1 SP2 (Debug Build: 61120.2)