9/24/09–In a previous post, we offered some tips on how to create groups. We gave a few examples of great groups that users have already created in ArcGIS Online, including two from the ArcGIS Explorer team—the ArcGIS Explorer group and the ArcGIS Explorer Labs group. To learn about how these groups are used, see Using the ArcGIS Explorer group on AGOL in the ArcGIS Explorer Blog.